Commit | Line | Data |
---|---|---|
8e87d142 | 1 | /* |
1da177e4 | 2 | BlueZ - Bluetooth protocol stack for Linux |
2d0a0346 | 3 | Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. |
1da177e4 LT |
4 | |
5 | Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation; | |
10 | ||
11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
8e87d142 YH |
15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
1da177e4 LT |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
19 | ||
8e87d142 YH |
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
1da177e4 LT |
22 | SOFTWARE IS DISCLAIMED. |
23 | */ | |
24 | ||
25 | /* Bluetooth HCI event handling. */ | |
26 | ||
1da177e4 LT |
27 | #include <asm/unaligned.h> |
28 | ||
29 | #include <net/bluetooth/bluetooth.h> | |
30 | #include <net/bluetooth/hci_core.h> | |
f0d6a0ea | 31 | #include <net/bluetooth/mgmt.h> |
7ef9fbf0 | 32 | |
7024728e | 33 | #include "a2mp.h" |
7ef9fbf0 | 34 | #include "amp.h" |
2ceba539 | 35 | #include "smp.h" |
1da177e4 | 36 | |
1da177e4 LT |
37 | /* Handle HCI Event packets */ |
38 | ||
a9de9248 | 39 | static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 40 | { |
a9de9248 | 41 | __u8 status = *((__u8 *) skb->data); |
1da177e4 | 42 | |
9f1db00c | 43 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 44 | |
82f4785c | 45 | if (status) |
a9de9248 | 46 | return; |
1da177e4 | 47 | |
89352e7d | 48 | clear_bit(HCI_INQUIRY, &hdev->flags); |
4e857c58 | 49 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
3e13fa1e | 50 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
89352e7d | 51 | |
50143a43 JH |
52 | hci_dev_lock(hdev); |
53 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
54 | hci_dev_unlock(hdev); | |
55 | ||
a9de9248 MH |
56 | hci_conn_check_pending(hdev); |
57 | } | |
6bd57416 | 58 | |
4d93483b AG |
59 | static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) |
60 | { | |
61 | __u8 status = *((__u8 *) skb->data); | |
62 | ||
9f1db00c | 63 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
ae854a70 AG |
64 | |
65 | if (status) | |
66 | return; | |
67 | ||
68 | set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags); | |
4d93483b AG |
69 | } |
70 | ||
a9de9248 MH |
71 | static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) |
72 | { | |
73 | __u8 status = *((__u8 *) skb->data); | |
6bd57416 | 74 | |
9f1db00c | 75 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
6bd57416 | 76 | |
a9de9248 MH |
77 | if (status) |
78 | return; | |
1da177e4 | 79 | |
ae854a70 AG |
80 | clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags); |
81 | ||
a9de9248 MH |
82 | hci_conn_check_pending(hdev); |
83 | } | |
84 | ||
807deac2 GP |
85 | static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, |
86 | struct sk_buff *skb) | |
a9de9248 MH |
87 | { |
88 | BT_DBG("%s", hdev->name); | |
89 | } | |
90 | ||
91 | static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb) | |
92 | { | |
93 | struct hci_rp_role_discovery *rp = (void *) skb->data; | |
94 | struct hci_conn *conn; | |
95 | ||
9f1db00c | 96 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
97 | |
98 | if (rp->status) | |
99 | return; | |
100 | ||
101 | hci_dev_lock(hdev); | |
102 | ||
103 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
104 | if (conn) { | |
105 | if (rp->role) | |
4dae2798 | 106 | clear_bit(HCI_CONN_MASTER, &conn->flags); |
a9de9248 | 107 | else |
4dae2798 | 108 | set_bit(HCI_CONN_MASTER, &conn->flags); |
1da177e4 | 109 | } |
a9de9248 MH |
110 | |
111 | hci_dev_unlock(hdev); | |
1da177e4 LT |
112 | } |
113 | ||
e4e8e37c MH |
114 | static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb) |
115 | { | |
116 | struct hci_rp_read_link_policy *rp = (void *) skb->data; | |
117 | struct hci_conn *conn; | |
118 | ||
9f1db00c | 119 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
e4e8e37c MH |
120 | |
121 | if (rp->status) | |
122 | return; | |
123 | ||
124 | hci_dev_lock(hdev); | |
125 | ||
126 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
127 | if (conn) | |
128 | conn->link_policy = __le16_to_cpu(rp->policy); | |
129 | ||
130 | hci_dev_unlock(hdev); | |
131 | } | |
132 | ||
a9de9248 | 133 | static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 134 | { |
a9de9248 | 135 | struct hci_rp_write_link_policy *rp = (void *) skb->data; |
1da177e4 | 136 | struct hci_conn *conn; |
04837f64 | 137 | void *sent; |
1da177e4 | 138 | |
9f1db00c | 139 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 140 | |
a9de9248 MH |
141 | if (rp->status) |
142 | return; | |
1da177e4 | 143 | |
a9de9248 MH |
144 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY); |
145 | if (!sent) | |
146 | return; | |
1da177e4 | 147 | |
a9de9248 | 148 | hci_dev_lock(hdev); |
1da177e4 | 149 | |
a9de9248 | 150 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); |
e4e8e37c | 151 | if (conn) |
83985319 | 152 | conn->link_policy = get_unaligned_le16(sent + 2); |
1da177e4 | 153 | |
a9de9248 MH |
154 | hci_dev_unlock(hdev); |
155 | } | |
1da177e4 | 156 | |
807deac2 GP |
157 | static void hci_cc_read_def_link_policy(struct hci_dev *hdev, |
158 | struct sk_buff *skb) | |
e4e8e37c MH |
159 | { |
160 | struct hci_rp_read_def_link_policy *rp = (void *) skb->data; | |
161 | ||
9f1db00c | 162 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
e4e8e37c MH |
163 | |
164 | if (rp->status) | |
165 | return; | |
166 | ||
167 | hdev->link_policy = __le16_to_cpu(rp->policy); | |
168 | } | |
169 | ||
807deac2 GP |
170 | static void hci_cc_write_def_link_policy(struct hci_dev *hdev, |
171 | struct sk_buff *skb) | |
e4e8e37c MH |
172 | { |
173 | __u8 status = *((__u8 *) skb->data); | |
174 | void *sent; | |
175 | ||
9f1db00c | 176 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
e4e8e37c MH |
177 | |
178 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY); | |
179 | if (!sent) | |
180 | return; | |
181 | ||
182 | if (!status) | |
183 | hdev->link_policy = get_unaligned_le16(sent); | |
e4e8e37c MH |
184 | } |
185 | ||
a9de9248 MH |
186 | static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) |
187 | { | |
188 | __u8 status = *((__u8 *) skb->data); | |
04837f64 | 189 | |
9f1db00c | 190 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 191 | |
10572132 GP |
192 | clear_bit(HCI_RESET, &hdev->flags); |
193 | ||
a297e97c | 194 | /* Reset all non-persistent flags */ |
2cc6fb00 | 195 | hdev->dev_flags &= ~HCI_PERSISTENT_MASK; |
69775ff6 AG |
196 | |
197 | hdev->discovery.state = DISCOVERY_STOPPED; | |
bbaf444a JH |
198 | hdev->inq_tx_power = HCI_TX_POWER_INVALID; |
199 | hdev->adv_tx_power = HCI_TX_POWER_INVALID; | |
3f0f524b JH |
200 | |
201 | memset(hdev->adv_data, 0, sizeof(hdev->adv_data)); | |
202 | hdev->adv_data_len = 0; | |
f8e808bd MH |
203 | |
204 | memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data)); | |
205 | hdev->scan_rsp_data_len = 0; | |
06f5b778 | 206 | |
533553f8 MH |
207 | hdev->le_scan_type = LE_SCAN_PASSIVE; |
208 | ||
06f5b778 | 209 | hdev->ssp_debug_mode = 0; |
a9de9248 | 210 | } |
04837f64 | 211 | |
a9de9248 MH |
212 | static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) |
213 | { | |
214 | __u8 status = *((__u8 *) skb->data); | |
215 | void *sent; | |
04837f64 | 216 | |
9f1db00c | 217 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 218 | |
a9de9248 MH |
219 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); |
220 | if (!sent) | |
221 | return; | |
04837f64 | 222 | |
56e5cb86 JH |
223 | hci_dev_lock(hdev); |
224 | ||
f51d5b24 JH |
225 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
226 | mgmt_set_local_name_complete(hdev, sent, status); | |
28cc7bde JH |
227 | else if (!status) |
228 | memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); | |
f51d5b24 | 229 | |
56e5cb86 | 230 | hci_dev_unlock(hdev); |
a9de9248 MH |
231 | } |
232 | ||
233 | static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) | |
234 | { | |
235 | struct hci_rp_read_local_name *rp = (void *) skb->data; | |
236 | ||
9f1db00c | 237 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
238 | |
239 | if (rp->status) | |
240 | return; | |
241 | ||
db99b5fc JH |
242 | if (test_bit(HCI_SETUP, &hdev->dev_flags)) |
243 | memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH); | |
a9de9248 MH |
244 | } |
245 | ||
246 | static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) | |
247 | { | |
248 | __u8 status = *((__u8 *) skb->data); | |
249 | void *sent; | |
250 | ||
9f1db00c | 251 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
252 | |
253 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); | |
254 | if (!sent) | |
255 | return; | |
256 | ||
257 | if (!status) { | |
258 | __u8 param = *((__u8 *) sent); | |
259 | ||
260 | if (param == AUTH_ENABLED) | |
261 | set_bit(HCI_AUTH, &hdev->flags); | |
262 | else | |
263 | clear_bit(HCI_AUTH, &hdev->flags); | |
1da177e4 | 264 | } |
a9de9248 | 265 | |
33ef95ed JH |
266 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
267 | mgmt_auth_enable_complete(hdev, status); | |
1da177e4 LT |
268 | } |
269 | ||
a9de9248 | 270 | static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 271 | { |
a9de9248 | 272 | __u8 status = *((__u8 *) skb->data); |
1da177e4 LT |
273 | void *sent; |
274 | ||
9f1db00c | 275 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 276 | |
a9de9248 MH |
277 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); |
278 | if (!sent) | |
279 | return; | |
1da177e4 | 280 | |
a9de9248 MH |
281 | if (!status) { |
282 | __u8 param = *((__u8 *) sent); | |
283 | ||
284 | if (param) | |
285 | set_bit(HCI_ENCRYPT, &hdev->flags); | |
286 | else | |
287 | clear_bit(HCI_ENCRYPT, &hdev->flags); | |
288 | } | |
a9de9248 | 289 | } |
1da177e4 | 290 | |
a9de9248 MH |
291 | static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) |
292 | { | |
36f7fc7e JH |
293 | __u8 param, status = *((__u8 *) skb->data); |
294 | int old_pscan, old_iscan; | |
a9de9248 | 295 | void *sent; |
1da177e4 | 296 | |
9f1db00c | 297 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 298 | |
a9de9248 MH |
299 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE); |
300 | if (!sent) | |
301 | return; | |
1da177e4 | 302 | |
36f7fc7e JH |
303 | param = *((__u8 *) sent); |
304 | ||
56e5cb86 JH |
305 | hci_dev_lock(hdev); |
306 | ||
fa1bd918 | 307 | if (status) { |
744cf19e | 308 | mgmt_write_scan_failed(hdev, param, status); |
2d7cee58 JH |
309 | hdev->discov_timeout = 0; |
310 | goto done; | |
311 | } | |
312 | ||
0663ca2a JH |
313 | /* We need to ensure that we set this back on if someone changed |
314 | * the scan mode through a raw HCI socket. | |
315 | */ | |
316 | set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); | |
317 | ||
36f7fc7e JH |
318 | old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags); |
319 | old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags); | |
320 | ||
321 | if (param & SCAN_INQUIRY) { | |
322 | set_bit(HCI_ISCAN, &hdev->flags); | |
323 | if (!old_iscan) | |
744cf19e | 324 | mgmt_discoverable(hdev, 1); |
36f7fc7e | 325 | } else if (old_iscan) |
744cf19e | 326 | mgmt_discoverable(hdev, 0); |
36f7fc7e JH |
327 | |
328 | if (param & SCAN_PAGE) { | |
329 | set_bit(HCI_PSCAN, &hdev->flags); | |
330 | if (!old_pscan) | |
744cf19e | 331 | mgmt_connectable(hdev, 1); |
36f7fc7e | 332 | } else if (old_pscan) |
744cf19e | 333 | mgmt_connectable(hdev, 0); |
1da177e4 | 334 | |
36f7fc7e | 335 | done: |
56e5cb86 | 336 | hci_dev_unlock(hdev); |
a9de9248 | 337 | } |
1da177e4 | 338 | |
a9de9248 MH |
339 | static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
340 | { | |
341 | struct hci_rp_read_class_of_dev *rp = (void *) skb->data; | |
1da177e4 | 342 | |
9f1db00c | 343 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 344 | |
a9de9248 MH |
345 | if (rp->status) |
346 | return; | |
1da177e4 | 347 | |
a9de9248 | 348 | memcpy(hdev->dev_class, rp->dev_class, 3); |
1da177e4 | 349 | |
a9de9248 | 350 | BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name, |
807deac2 | 351 | hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); |
a9de9248 | 352 | } |
1da177e4 | 353 | |
a9de9248 MH |
354 | static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
355 | { | |
356 | __u8 status = *((__u8 *) skb->data); | |
357 | void *sent; | |
1da177e4 | 358 | |
9f1db00c | 359 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 360 | |
a9de9248 MH |
361 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); |
362 | if (!sent) | |
363 | return; | |
1da177e4 | 364 | |
7f9a903c MH |
365 | hci_dev_lock(hdev); |
366 | ||
367 | if (status == 0) | |
368 | memcpy(hdev->dev_class, sent, 3); | |
369 | ||
370 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) | |
371 | mgmt_set_class_of_dev_complete(hdev, sent, status); | |
372 | ||
373 | hci_dev_unlock(hdev); | |
a9de9248 | 374 | } |
1da177e4 | 375 | |
a9de9248 MH |
376 | static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) |
377 | { | |
378 | struct hci_rp_read_voice_setting *rp = (void *) skb->data; | |
379 | __u16 setting; | |
380 | ||
9f1db00c | 381 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
382 | |
383 | if (rp->status) | |
384 | return; | |
385 | ||
386 | setting = __le16_to_cpu(rp->voice_setting); | |
387 | ||
f383f275 | 388 | if (hdev->voice_setting == setting) |
a9de9248 MH |
389 | return; |
390 | ||
391 | hdev->voice_setting = setting; | |
392 | ||
9f1db00c | 393 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
a9de9248 | 394 | |
3c54711c | 395 | if (hdev->notify) |
a9de9248 | 396 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
a9de9248 MH |
397 | } |
398 | ||
8fc9ced3 GP |
399 | static void hci_cc_write_voice_setting(struct hci_dev *hdev, |
400 | struct sk_buff *skb) | |
a9de9248 MH |
401 | { |
402 | __u8 status = *((__u8 *) skb->data); | |
f383f275 | 403 | __u16 setting; |
a9de9248 MH |
404 | void *sent; |
405 | ||
9f1db00c | 406 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 407 | |
f383f275 MH |
408 | if (status) |
409 | return; | |
410 | ||
a9de9248 MH |
411 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING); |
412 | if (!sent) | |
413 | return; | |
1da177e4 | 414 | |
f383f275 | 415 | setting = get_unaligned_le16(sent); |
1da177e4 | 416 | |
f383f275 MH |
417 | if (hdev->voice_setting == setting) |
418 | return; | |
419 | ||
420 | hdev->voice_setting = setting; | |
1da177e4 | 421 | |
9f1db00c | 422 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
1da177e4 | 423 | |
3c54711c | 424 | if (hdev->notify) |
f383f275 | 425 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
1da177e4 LT |
426 | } |
427 | ||
b4cb9fb2 MH |
428 | static void hci_cc_read_num_supported_iac(struct hci_dev *hdev, |
429 | struct sk_buff *skb) | |
430 | { | |
431 | struct hci_rp_read_num_supported_iac *rp = (void *) skb->data; | |
432 | ||
433 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
434 | ||
435 | if (rp->status) | |
436 | return; | |
437 | ||
438 | hdev->num_iac = rp->num_iac; | |
439 | ||
440 | BT_DBG("%s num iac %d", hdev->name, hdev->num_iac); | |
441 | } | |
442 | ||
333140b5 MH |
443 | static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) |
444 | { | |
445 | __u8 status = *((__u8 *) skb->data); | |
5ed8eb2f | 446 | struct hci_cp_write_ssp_mode *sent; |
333140b5 | 447 | |
9f1db00c | 448 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
333140b5 | 449 | |
333140b5 MH |
450 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); |
451 | if (!sent) | |
452 | return; | |
453 | ||
5ed8eb2f JH |
454 | if (!status) { |
455 | if (sent->mode) | |
cad718ed | 456 | hdev->features[1][0] |= LMP_HOST_SSP; |
5ed8eb2f | 457 | else |
cad718ed | 458 | hdev->features[1][0] &= ~LMP_HOST_SSP; |
5ed8eb2f JH |
459 | } |
460 | ||
ed2c4ee3 | 461 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
5ed8eb2f | 462 | mgmt_ssp_enable_complete(hdev, sent->mode, status); |
c0ecddc2 | 463 | else if (!status) { |
5ed8eb2f | 464 | if (sent->mode) |
c0ecddc2 JH |
465 | set_bit(HCI_SSP_ENABLED, &hdev->dev_flags); |
466 | else | |
467 | clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); | |
468 | } | |
333140b5 MH |
469 | } |
470 | ||
eac83dc6 MH |
471 | static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb) |
472 | { | |
473 | u8 status = *((u8 *) skb->data); | |
474 | struct hci_cp_write_sc_support *sent; | |
475 | ||
476 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
477 | ||
478 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT); | |
479 | if (!sent) | |
480 | return; | |
481 | ||
482 | if (!status) { | |
483 | if (sent->support) | |
484 | hdev->features[1][0] |= LMP_HOST_SC; | |
485 | else | |
486 | hdev->features[1][0] &= ~LMP_HOST_SC; | |
487 | } | |
488 | ||
489 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) | |
490 | mgmt_sc_enable_complete(hdev, sent->support, status); | |
491 | else if (!status) { | |
492 | if (sent->support) | |
493 | set_bit(HCI_SC_ENABLED, &hdev->dev_flags); | |
494 | else | |
495 | clear_bit(HCI_SC_ENABLED, &hdev->dev_flags); | |
496 | } | |
497 | } | |
498 | ||
a9de9248 MH |
499 | static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) |
500 | { | |
501 | struct hci_rp_read_local_version *rp = (void *) skb->data; | |
1143e5a6 | 502 | |
9f1db00c | 503 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143e5a6 | 504 | |
a9de9248 | 505 | if (rp->status) |
42c6b129 | 506 | return; |
1143e5a6 | 507 | |
0d5551f5 MH |
508 | if (test_bit(HCI_SETUP, &hdev->dev_flags)) { |
509 | hdev->hci_ver = rp->hci_ver; | |
510 | hdev->hci_rev = __le16_to_cpu(rp->hci_rev); | |
511 | hdev->lmp_ver = rp->lmp_ver; | |
512 | hdev->manufacturer = __le16_to_cpu(rp->manufacturer); | |
513 | hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver); | |
514 | } | |
d5859e22 JH |
515 | } |
516 | ||
8fc9ced3 GP |
517 | static void hci_cc_read_local_commands(struct hci_dev *hdev, |
518 | struct sk_buff *skb) | |
a9de9248 MH |
519 | { |
520 | struct hci_rp_read_local_commands *rp = (void *) skb->data; | |
1da177e4 | 521 | |
9f1db00c | 522 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 523 | |
6a070e6e MH |
524 | if (rp->status) |
525 | return; | |
526 | ||
527 | if (test_bit(HCI_SETUP, &hdev->dev_flags)) | |
2177bab5 | 528 | memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); |
a9de9248 | 529 | } |
1da177e4 | 530 | |
8fc9ced3 GP |
531 | static void hci_cc_read_local_features(struct hci_dev *hdev, |
532 | struct sk_buff *skb) | |
a9de9248 MH |
533 | { |
534 | struct hci_rp_read_local_features *rp = (void *) skb->data; | |
5b7f9909 | 535 | |
9f1db00c | 536 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 537 | |
a9de9248 MH |
538 | if (rp->status) |
539 | return; | |
5b7f9909 | 540 | |
a9de9248 | 541 | memcpy(hdev->features, rp->features, 8); |
5b7f9909 | 542 | |
a9de9248 MH |
543 | /* Adjust default settings according to features |
544 | * supported by device. */ | |
1da177e4 | 545 | |
cad718ed | 546 | if (hdev->features[0][0] & LMP_3SLOT) |
a9de9248 | 547 | hdev->pkt_type |= (HCI_DM3 | HCI_DH3); |
1da177e4 | 548 | |
cad718ed | 549 | if (hdev->features[0][0] & LMP_5SLOT) |
a9de9248 | 550 | hdev->pkt_type |= (HCI_DM5 | HCI_DH5); |
1da177e4 | 551 | |
cad718ed | 552 | if (hdev->features[0][1] & LMP_HV2) { |
a9de9248 MH |
553 | hdev->pkt_type |= (HCI_HV2); |
554 | hdev->esco_type |= (ESCO_HV2); | |
555 | } | |
1da177e4 | 556 | |
cad718ed | 557 | if (hdev->features[0][1] & LMP_HV3) { |
a9de9248 MH |
558 | hdev->pkt_type |= (HCI_HV3); |
559 | hdev->esco_type |= (ESCO_HV3); | |
560 | } | |
1da177e4 | 561 | |
45db810f | 562 | if (lmp_esco_capable(hdev)) |
a9de9248 | 563 | hdev->esco_type |= (ESCO_EV3); |
da1f5198 | 564 | |
cad718ed | 565 | if (hdev->features[0][4] & LMP_EV4) |
a9de9248 | 566 | hdev->esco_type |= (ESCO_EV4); |
da1f5198 | 567 | |
cad718ed | 568 | if (hdev->features[0][4] & LMP_EV5) |
a9de9248 | 569 | hdev->esco_type |= (ESCO_EV5); |
1da177e4 | 570 | |
cad718ed | 571 | if (hdev->features[0][5] & LMP_EDR_ESCO_2M) |
efc7688b MH |
572 | hdev->esco_type |= (ESCO_2EV3); |
573 | ||
cad718ed | 574 | if (hdev->features[0][5] & LMP_EDR_ESCO_3M) |
efc7688b MH |
575 | hdev->esco_type |= (ESCO_3EV3); |
576 | ||
cad718ed | 577 | if (hdev->features[0][5] & LMP_EDR_3S_ESCO) |
efc7688b | 578 | hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5); |
a9de9248 | 579 | } |
1da177e4 | 580 | |
971e3a4b | 581 | static void hci_cc_read_local_ext_features(struct hci_dev *hdev, |
807deac2 | 582 | struct sk_buff *skb) |
971e3a4b AG |
583 | { |
584 | struct hci_rp_read_local_ext_features *rp = (void *) skb->data; | |
585 | ||
9f1db00c | 586 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
971e3a4b AG |
587 | |
588 | if (rp->status) | |
42c6b129 | 589 | return; |
971e3a4b | 590 | |
57af75a8 MH |
591 | if (hdev->max_page < rp->max_page) |
592 | hdev->max_page = rp->max_page; | |
d2c5d77f | 593 | |
cad718ed JH |
594 | if (rp->page < HCI_MAX_PAGES) |
595 | memcpy(hdev->features[rp->page], rp->features, 8); | |
971e3a4b AG |
596 | } |
597 | ||
1e89cffb | 598 | static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, |
807deac2 | 599 | struct sk_buff *skb) |
1e89cffb AE |
600 | { |
601 | struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; | |
602 | ||
9f1db00c | 603 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1e89cffb | 604 | |
42c6b129 JH |
605 | if (!rp->status) |
606 | hdev->flow_ctl_mode = rp->mode; | |
1e89cffb AE |
607 | } |
608 | ||
a9de9248 MH |
609 | static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) |
610 | { | |
611 | struct hci_rp_read_buffer_size *rp = (void *) skb->data; | |
1da177e4 | 612 | |
9f1db00c | 613 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 614 | |
a9de9248 MH |
615 | if (rp->status) |
616 | return; | |
1da177e4 | 617 | |
a9de9248 MH |
618 | hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu); |
619 | hdev->sco_mtu = rp->sco_mtu; | |
620 | hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt); | |
621 | hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt); | |
622 | ||
623 | if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { | |
624 | hdev->sco_mtu = 64; | |
625 | hdev->sco_pkts = 8; | |
1da177e4 | 626 | } |
a9de9248 MH |
627 | |
628 | hdev->acl_cnt = hdev->acl_pkts; | |
629 | hdev->sco_cnt = hdev->sco_pkts; | |
630 | ||
807deac2 GP |
631 | BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu, |
632 | hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts); | |
a9de9248 MH |
633 | } |
634 | ||
635 | static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) | |
636 | { | |
637 | struct hci_rp_read_bd_addr *rp = (void *) skb->data; | |
638 | ||
9f1db00c | 639 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
640 | |
641 | if (!rp->status) | |
642 | bacpy(&hdev->bdaddr, &rp->bdaddr); | |
23bb5763 JH |
643 | } |
644 | ||
f332ec66 JH |
645 | static void hci_cc_read_page_scan_activity(struct hci_dev *hdev, |
646 | struct sk_buff *skb) | |
647 | { | |
648 | struct hci_rp_read_page_scan_activity *rp = (void *) skb->data; | |
649 | ||
650 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
651 | ||
652 | if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) { | |
653 | hdev->page_scan_interval = __le16_to_cpu(rp->interval); | |
654 | hdev->page_scan_window = __le16_to_cpu(rp->window); | |
655 | } | |
656 | } | |
657 | ||
4a3ee763 JH |
658 | static void hci_cc_write_page_scan_activity(struct hci_dev *hdev, |
659 | struct sk_buff *skb) | |
660 | { | |
661 | u8 status = *((u8 *) skb->data); | |
662 | struct hci_cp_write_page_scan_activity *sent; | |
663 | ||
664 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
665 | ||
666 | if (status) | |
667 | return; | |
668 | ||
669 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY); | |
670 | if (!sent) | |
671 | return; | |
672 | ||
673 | hdev->page_scan_interval = __le16_to_cpu(sent->interval); | |
674 | hdev->page_scan_window = __le16_to_cpu(sent->window); | |
675 | } | |
676 | ||
f332ec66 JH |
677 | static void hci_cc_read_page_scan_type(struct hci_dev *hdev, |
678 | struct sk_buff *skb) | |
679 | { | |
680 | struct hci_rp_read_page_scan_type *rp = (void *) skb->data; | |
681 | ||
682 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
683 | ||
684 | if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) | |
685 | hdev->page_scan_type = rp->type; | |
686 | } | |
687 | ||
4a3ee763 JH |
688 | static void hci_cc_write_page_scan_type(struct hci_dev *hdev, |
689 | struct sk_buff *skb) | |
690 | { | |
691 | u8 status = *((u8 *) skb->data); | |
692 | u8 *type; | |
693 | ||
694 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
695 | ||
696 | if (status) | |
697 | return; | |
698 | ||
699 | type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE); | |
700 | if (type) | |
701 | hdev->page_scan_type = *type; | |
702 | } | |
703 | ||
350ee4cf | 704 | static void hci_cc_read_data_block_size(struct hci_dev *hdev, |
807deac2 | 705 | struct sk_buff *skb) |
350ee4cf AE |
706 | { |
707 | struct hci_rp_read_data_block_size *rp = (void *) skb->data; | |
708 | ||
9f1db00c | 709 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
350ee4cf AE |
710 | |
711 | if (rp->status) | |
712 | return; | |
713 | ||
714 | hdev->block_mtu = __le16_to_cpu(rp->max_acl_len); | |
715 | hdev->block_len = __le16_to_cpu(rp->block_len); | |
716 | hdev->num_blocks = __le16_to_cpu(rp->num_blocks); | |
717 | ||
718 | hdev->block_cnt = hdev->num_blocks; | |
719 | ||
720 | BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu, | |
807deac2 | 721 | hdev->block_cnt, hdev->block_len); |
350ee4cf AE |
722 | } |
723 | ||
33f35721 JH |
724 | static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb) |
725 | { | |
726 | struct hci_rp_read_clock *rp = (void *) skb->data; | |
727 | struct hci_cp_read_clock *cp; | |
728 | struct hci_conn *conn; | |
729 | ||
730 | BT_DBG("%s", hdev->name); | |
731 | ||
732 | if (skb->len < sizeof(*rp)) | |
733 | return; | |
734 | ||
735 | if (rp->status) | |
736 | return; | |
737 | ||
738 | hci_dev_lock(hdev); | |
739 | ||
740 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK); | |
741 | if (!cp) | |
742 | goto unlock; | |
743 | ||
744 | if (cp->which == 0x00) { | |
745 | hdev->clock = le32_to_cpu(rp->clock); | |
746 | goto unlock; | |
747 | } | |
748 | ||
749 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
750 | if (conn) { | |
751 | conn->clock = le32_to_cpu(rp->clock); | |
752 | conn->clock_accuracy = le16_to_cpu(rp->accuracy); | |
753 | } | |
754 | ||
755 | unlock: | |
756 | hci_dev_unlock(hdev); | |
757 | } | |
758 | ||
928abaa7 | 759 | static void hci_cc_read_local_amp_info(struct hci_dev *hdev, |
807deac2 | 760 | struct sk_buff *skb) |
928abaa7 AE |
761 | { |
762 | struct hci_rp_read_local_amp_info *rp = (void *) skb->data; | |
763 | ||
9f1db00c | 764 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
928abaa7 AE |
765 | |
766 | if (rp->status) | |
8e2a0d92 | 767 | goto a2mp_rsp; |
928abaa7 AE |
768 | |
769 | hdev->amp_status = rp->amp_status; | |
770 | hdev->amp_total_bw = __le32_to_cpu(rp->total_bw); | |
771 | hdev->amp_max_bw = __le32_to_cpu(rp->max_bw); | |
772 | hdev->amp_min_latency = __le32_to_cpu(rp->min_latency); | |
773 | hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu); | |
774 | hdev->amp_type = rp->amp_type; | |
775 | hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap); | |
776 | hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size); | |
777 | hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to); | |
778 | hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to); | |
779 | ||
8e2a0d92 AE |
780 | a2mp_rsp: |
781 | a2mp_send_getinfo_rsp(hdev); | |
928abaa7 AE |
782 | } |
783 | ||
903e4541 AE |
784 | static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev, |
785 | struct sk_buff *skb) | |
786 | { | |
787 | struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data; | |
788 | struct amp_assoc *assoc = &hdev->loc_assoc; | |
789 | size_t rem_len, frag_len; | |
790 | ||
791 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
792 | ||
793 | if (rp->status) | |
794 | goto a2mp_rsp; | |
795 | ||
796 | frag_len = skb->len - sizeof(*rp); | |
797 | rem_len = __le16_to_cpu(rp->rem_len); | |
798 | ||
799 | if (rem_len > frag_len) { | |
2e430be3 | 800 | BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len); |
903e4541 AE |
801 | |
802 | memcpy(assoc->data + assoc->offset, rp->frag, frag_len); | |
803 | assoc->offset += frag_len; | |
804 | ||
805 | /* Read other fragments */ | |
806 | amp_read_loc_assoc_frag(hdev, rp->phy_handle); | |
807 | ||
808 | return; | |
809 | } | |
810 | ||
811 | memcpy(assoc->data + assoc->offset, rp->frag, rem_len); | |
812 | assoc->len = assoc->offset + rem_len; | |
813 | assoc->offset = 0; | |
814 | ||
815 | a2mp_rsp: | |
816 | /* Send A2MP Rsp when all fragments are received */ | |
817 | a2mp_send_getampassoc_rsp(hdev, rp->status); | |
9495b2ee | 818 | a2mp_send_create_phy_link_req(hdev, rp->status); |
903e4541 AE |
819 | } |
820 | ||
d5859e22 | 821 | static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, |
807deac2 | 822 | struct sk_buff *skb) |
d5859e22 | 823 | { |
91c4e9b1 | 824 | struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; |
d5859e22 | 825 | |
9f1db00c | 826 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
91c4e9b1 MH |
827 | |
828 | if (!rp->status) | |
829 | hdev->inq_tx_power = rp->tx_power; | |
d5859e22 JH |
830 | } |
831 | ||
980e1a53 JH |
832 | static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) |
833 | { | |
834 | struct hci_rp_pin_code_reply *rp = (void *) skb->data; | |
835 | struct hci_cp_pin_code_reply *cp; | |
836 | struct hci_conn *conn; | |
837 | ||
9f1db00c | 838 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 839 | |
56e5cb86 JH |
840 | hci_dev_lock(hdev); |
841 | ||
a8b2d5c2 | 842 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
744cf19e | 843 | mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status); |
980e1a53 | 844 | |
fa1bd918 | 845 | if (rp->status) |
56e5cb86 | 846 | goto unlock; |
980e1a53 JH |
847 | |
848 | cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY); | |
849 | if (!cp) | |
56e5cb86 | 850 | goto unlock; |
980e1a53 JH |
851 | |
852 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
853 | if (conn) | |
854 | conn->pin_length = cp->pin_len; | |
56e5cb86 JH |
855 | |
856 | unlock: | |
857 | hci_dev_unlock(hdev); | |
980e1a53 JH |
858 | } |
859 | ||
860 | static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) | |
861 | { | |
862 | struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data; | |
863 | ||
9f1db00c | 864 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 865 | |
56e5cb86 JH |
866 | hci_dev_lock(hdev); |
867 | ||
a8b2d5c2 | 868 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
744cf19e | 869 | mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr, |
807deac2 | 870 | rp->status); |
56e5cb86 JH |
871 | |
872 | hci_dev_unlock(hdev); | |
980e1a53 | 873 | } |
56e5cb86 | 874 | |
6ed58ec5 VT |
875 | static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, |
876 | struct sk_buff *skb) | |
877 | { | |
878 | struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; | |
879 | ||
9f1db00c | 880 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
6ed58ec5 VT |
881 | |
882 | if (rp->status) | |
883 | return; | |
884 | ||
885 | hdev->le_mtu = __le16_to_cpu(rp->le_mtu); | |
886 | hdev->le_pkts = rp->le_max_pkt; | |
887 | ||
888 | hdev->le_cnt = hdev->le_pkts; | |
889 | ||
890 | BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); | |
6ed58ec5 | 891 | } |
980e1a53 | 892 | |
60e77321 JH |
893 | static void hci_cc_le_read_local_features(struct hci_dev *hdev, |
894 | struct sk_buff *skb) | |
895 | { | |
896 | struct hci_rp_le_read_local_features *rp = (void *) skb->data; | |
897 | ||
898 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
899 | ||
900 | if (!rp->status) | |
901 | memcpy(hdev->le_features, rp->features, 8); | |
60e77321 JH |
902 | } |
903 | ||
8fa19098 JH |
904 | static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, |
905 | struct sk_buff *skb) | |
906 | { | |
907 | struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data; | |
908 | ||
909 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
910 | ||
04b4edcb | 911 | if (!rp->status) |
8fa19098 | 912 | hdev->adv_tx_power = rp->tx_power; |
8fa19098 JH |
913 | } |
914 | ||
a5c29683 JH |
915 | static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) |
916 | { | |
917 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
918 | ||
9f1db00c | 919 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 920 | |
56e5cb86 JH |
921 | hci_dev_lock(hdev); |
922 | ||
a8b2d5c2 | 923 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
04124681 GP |
924 | mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0, |
925 | rp->status); | |
56e5cb86 JH |
926 | |
927 | hci_dev_unlock(hdev); | |
a5c29683 JH |
928 | } |
929 | ||
930 | static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, | |
807deac2 | 931 | struct sk_buff *skb) |
a5c29683 JH |
932 | { |
933 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
934 | ||
9f1db00c | 935 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 936 | |
56e5cb86 JH |
937 | hci_dev_lock(hdev); |
938 | ||
a8b2d5c2 | 939 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
744cf19e | 940 | mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 941 | ACL_LINK, 0, rp->status); |
56e5cb86 JH |
942 | |
943 | hci_dev_unlock(hdev); | |
a5c29683 JH |
944 | } |
945 | ||
1143d458 BG |
946 | static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) |
947 | { | |
948 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
949 | ||
9f1db00c | 950 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
951 | |
952 | hci_dev_lock(hdev); | |
953 | ||
a8b2d5c2 | 954 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
272d90df | 955 | mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK, |
04124681 | 956 | 0, rp->status); |
1143d458 BG |
957 | |
958 | hci_dev_unlock(hdev); | |
959 | } | |
960 | ||
961 | static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, | |
807deac2 | 962 | struct sk_buff *skb) |
1143d458 BG |
963 | { |
964 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
965 | ||
9f1db00c | 966 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
967 | |
968 | hci_dev_lock(hdev); | |
969 | ||
a8b2d5c2 | 970 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
1143d458 | 971 | mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 972 | ACL_LINK, 0, rp->status); |
1143d458 BG |
973 | |
974 | hci_dev_unlock(hdev); | |
975 | } | |
976 | ||
4d2d2796 MH |
977 | static void hci_cc_read_local_oob_data(struct hci_dev *hdev, |
978 | struct sk_buff *skb) | |
c35938b2 SJ |
979 | { |
980 | struct hci_rp_read_local_oob_data *rp = (void *) skb->data; | |
981 | ||
9f1db00c | 982 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
c35938b2 | 983 | |
56e5cb86 | 984 | hci_dev_lock(hdev); |
4d2d2796 MH |
985 | mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer, |
986 | NULL, NULL, rp->status); | |
987 | hci_dev_unlock(hdev); | |
988 | } | |
989 | ||
990 | static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev, | |
991 | struct sk_buff *skb) | |
992 | { | |
993 | struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data; | |
994 | ||
995 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
996 | ||
997 | hci_dev_lock(hdev); | |
998 | mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192, | |
999 | rp->hash256, rp->randomizer256, | |
1000 | rp->status); | |
56e5cb86 | 1001 | hci_dev_unlock(hdev); |
c35938b2 SJ |
1002 | } |
1003 | ||
7a4cd51d MH |
1004 | |
1005 | static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb) | |
1006 | { | |
1007 | __u8 status = *((__u8 *) skb->data); | |
1008 | bdaddr_t *sent; | |
1009 | ||
1010 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1011 | ||
1012 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR); | |
1013 | if (!sent) | |
1014 | return; | |
1015 | ||
1016 | hci_dev_lock(hdev); | |
1017 | ||
1018 | if (!status) | |
1019 | bacpy(&hdev->random_addr, sent); | |
1020 | ||
1021 | hci_dev_unlock(hdev); | |
1022 | } | |
1023 | ||
c1d5dc4a JH |
1024 | static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb) |
1025 | { | |
1026 | __u8 *sent, status = *((__u8 *) skb->data); | |
1027 | ||
1028 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1029 | ||
1030 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE); | |
1031 | if (!sent) | |
1032 | return; | |
1033 | ||
3c857757 JH |
1034 | if (status) |
1035 | return; | |
1036 | ||
c1d5dc4a JH |
1037 | hci_dev_lock(hdev); |
1038 | ||
3c857757 JH |
1039 | /* If we're doing connection initation as peripheral. Set a |
1040 | * timeout in case something goes wrong. | |
1041 | */ | |
1042 | if (*sent) { | |
1043 | struct hci_conn *conn; | |
1044 | ||
1045 | conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT); | |
1046 | if (conn) | |
1047 | queue_delayed_work(hdev->workqueue, | |
1048 | &conn->le_conn_timeout, | |
1049 | HCI_LE_CONN_TIMEOUT); | |
1050 | } | |
1051 | ||
1052 | mgmt_advertising(hdev, *sent); | |
c1d5dc4a | 1053 | |
04b4edcb | 1054 | hci_dev_unlock(hdev); |
c1d5dc4a JH |
1055 | } |
1056 | ||
533553f8 MH |
1057 | static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) |
1058 | { | |
1059 | struct hci_cp_le_set_scan_param *cp; | |
1060 | __u8 status = *((__u8 *) skb->data); | |
1061 | ||
1062 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1063 | ||
1064 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM); | |
1065 | if (!cp) | |
1066 | return; | |
1067 | ||
1068 | hci_dev_lock(hdev); | |
1069 | ||
1070 | if (!status) | |
1071 | hdev->le_scan_type = cp->type; | |
1072 | ||
1073 | hci_dev_unlock(hdev); | |
1074 | } | |
1075 | ||
b9a6328f JH |
1076 | static bool has_pending_adv_report(struct hci_dev *hdev) |
1077 | { | |
1078 | struct discovery_state *d = &hdev->discovery; | |
1079 | ||
1080 | return bacmp(&d->last_adv_addr, BDADDR_ANY); | |
1081 | } | |
1082 | ||
1083 | static void clear_pending_adv_report(struct hci_dev *hdev) | |
1084 | { | |
1085 | struct discovery_state *d = &hdev->discovery; | |
1086 | ||
1087 | bacpy(&d->last_adv_addr, BDADDR_ANY); | |
1088 | d->last_adv_data_len = 0; | |
1089 | } | |
1090 | ||
1091 | static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
c70a7e4c MH |
1092 | u8 bdaddr_type, s8 rssi, u32 flags, |
1093 | u8 *data, u8 len) | |
b9a6328f JH |
1094 | { |
1095 | struct discovery_state *d = &hdev->discovery; | |
1096 | ||
1097 | bacpy(&d->last_adv_addr, bdaddr); | |
1098 | d->last_adv_addr_type = bdaddr_type; | |
ff5cd29f | 1099 | d->last_adv_rssi = rssi; |
c70a7e4c | 1100 | d->last_adv_flags = flags; |
b9a6328f JH |
1101 | memcpy(d->last_adv_data, data, len); |
1102 | d->last_adv_data_len = len; | |
1103 | } | |
1104 | ||
eb9d91f5 | 1105 | static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, |
807deac2 | 1106 | struct sk_buff *skb) |
eb9d91f5 AG |
1107 | { |
1108 | struct hci_cp_le_set_scan_enable *cp; | |
1109 | __u8 status = *((__u8 *) skb->data); | |
1110 | ||
9f1db00c | 1111 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
eb9d91f5 | 1112 | |
eb9d91f5 AG |
1113 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); |
1114 | if (!cp) | |
1115 | return; | |
1116 | ||
3fd319b8 AG |
1117 | if (status) |
1118 | return; | |
1119 | ||
68a8aea4 | 1120 | switch (cp->enable) { |
76a388be | 1121 | case LE_SCAN_ENABLE: |
d23264a8 | 1122 | set_bit(HCI_LE_SCAN, &hdev->dev_flags); |
b9a6328f JH |
1123 | if (hdev->le_scan_type == LE_SCAN_ACTIVE) |
1124 | clear_pending_adv_report(hdev); | |
68a8aea4 AE |
1125 | break; |
1126 | ||
76a388be | 1127 | case LE_SCAN_DISABLE: |
b9a6328f JH |
1128 | /* We do this here instead of when setting DISCOVERY_STOPPED |
1129 | * since the latter would potentially require waiting for | |
1130 | * inquiry to stop too. | |
1131 | */ | |
1132 | if (has_pending_adv_report(hdev)) { | |
1133 | struct discovery_state *d = &hdev->discovery; | |
1134 | ||
1135 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ab0aa433 | 1136 | d->last_adv_addr_type, NULL, |
c70a7e4c | 1137 | d->last_adv_rssi, d->last_adv_flags, |
ab0aa433 | 1138 | d->last_adv_data, |
b9a6328f JH |
1139 | d->last_adv_data_len, NULL, 0); |
1140 | } | |
1141 | ||
317ac8cb JH |
1142 | /* Cancel this timer so that we don't try to disable scanning |
1143 | * when it's already disabled. | |
1144 | */ | |
1145 | cancel_delayed_work(&hdev->le_scan_disable); | |
1146 | ||
d23264a8 | 1147 | clear_bit(HCI_LE_SCAN, &hdev->dev_flags); |
81ad6fd9 JH |
1148 | /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we |
1149 | * interrupted scanning due to a connect request. Mark | |
1150 | * therefore discovery as stopped. | |
1151 | */ | |
1152 | if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED, | |
1153 | &hdev->dev_flags)) | |
1154 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
68a8aea4 AE |
1155 | break; |
1156 | ||
1157 | default: | |
1158 | BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable); | |
1159 | break; | |
35815085 | 1160 | } |
eb9d91f5 AG |
1161 | } |
1162 | ||
cf1d081f JH |
1163 | static void hci_cc_le_read_white_list_size(struct hci_dev *hdev, |
1164 | struct sk_buff *skb) | |
1165 | { | |
1166 | struct hci_rp_le_read_white_list_size *rp = (void *) skb->data; | |
1167 | ||
1168 | BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); | |
1169 | ||
1170 | if (!rp->status) | |
1171 | hdev->le_white_list_size = rp->size; | |
cf1d081f JH |
1172 | } |
1173 | ||
0f36b589 MH |
1174 | static void hci_cc_le_clear_white_list(struct hci_dev *hdev, |
1175 | struct sk_buff *skb) | |
1176 | { | |
1177 | __u8 status = *((__u8 *) skb->data); | |
1178 | ||
1179 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1180 | ||
1181 | if (!status) | |
1182 | hci_white_list_clear(hdev); | |
1183 | } | |
1184 | ||
1185 | static void hci_cc_le_add_to_white_list(struct hci_dev *hdev, | |
1186 | struct sk_buff *skb) | |
1187 | { | |
1188 | struct hci_cp_le_add_to_white_list *sent; | |
1189 | __u8 status = *((__u8 *) skb->data); | |
1190 | ||
1191 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1192 | ||
1193 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST); | |
1194 | if (!sent) | |
1195 | return; | |
1196 | ||
1197 | if (!status) | |
1198 | hci_white_list_add(hdev, &sent->bdaddr, sent->bdaddr_type); | |
1199 | } | |
1200 | ||
1201 | static void hci_cc_le_del_from_white_list(struct hci_dev *hdev, | |
1202 | struct sk_buff *skb) | |
1203 | { | |
1204 | struct hci_cp_le_del_from_white_list *sent; | |
1205 | __u8 status = *((__u8 *) skb->data); | |
1206 | ||
1207 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1208 | ||
1209 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST); | |
1210 | if (!sent) | |
1211 | return; | |
1212 | ||
1213 | if (!status) | |
1214 | hci_white_list_del(hdev, &sent->bdaddr, sent->bdaddr_type); | |
1215 | } | |
1216 | ||
9b008c04 JH |
1217 | static void hci_cc_le_read_supported_states(struct hci_dev *hdev, |
1218 | struct sk_buff *skb) | |
1219 | { | |
1220 | struct hci_rp_le_read_supported_states *rp = (void *) skb->data; | |
1221 | ||
1222 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1223 | ||
1224 | if (!rp->status) | |
1225 | memcpy(hdev->le_states, rp->le_states, 8); | |
9b008c04 JH |
1226 | } |
1227 | ||
6039aa73 GP |
1228 | static void hci_cc_write_le_host_supported(struct hci_dev *hdev, |
1229 | struct sk_buff *skb) | |
f9b49306 | 1230 | { |
06199cf8 | 1231 | struct hci_cp_write_le_host_supported *sent; |
f9b49306 AG |
1232 | __u8 status = *((__u8 *) skb->data); |
1233 | ||
9f1db00c | 1234 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f9b49306 | 1235 | |
06199cf8 | 1236 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); |
8f984dfa | 1237 | if (!sent) |
f9b49306 AG |
1238 | return; |
1239 | ||
8f984dfa | 1240 | if (!status) { |
416a4ae5 | 1241 | if (sent->le) { |
cad718ed | 1242 | hdev->features[1][0] |= LMP_HOST_LE; |
416a4ae5 JH |
1243 | set_bit(HCI_LE_ENABLED, &hdev->dev_flags); |
1244 | } else { | |
cad718ed | 1245 | hdev->features[1][0] &= ~LMP_HOST_LE; |
416a4ae5 | 1246 | clear_bit(HCI_LE_ENABLED, &hdev->dev_flags); |
f3d3444a | 1247 | clear_bit(HCI_ADVERTISING, &hdev->dev_flags); |
416a4ae5 | 1248 | } |
53b2caab JH |
1249 | |
1250 | if (sent->simul) | |
cad718ed | 1251 | hdev->features[1][0] |= LMP_HOST_LE_BREDR; |
53b2caab | 1252 | else |
cad718ed | 1253 | hdev->features[1][0] &= ~LMP_HOST_LE_BREDR; |
8f984dfa | 1254 | } |
f9b49306 AG |
1255 | } |
1256 | ||
56ed2cb8 JH |
1257 | static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb) |
1258 | { | |
1259 | struct hci_cp_le_set_adv_param *cp; | |
1260 | u8 status = *((u8 *) skb->data); | |
1261 | ||
1262 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1263 | ||
1264 | if (status) | |
1265 | return; | |
1266 | ||
1267 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM); | |
1268 | if (!cp) | |
1269 | return; | |
1270 | ||
1271 | hci_dev_lock(hdev); | |
1272 | hdev->adv_addr_type = cp->own_address_type; | |
1273 | hci_dev_unlock(hdev); | |
1274 | } | |
1275 | ||
93c284ee AE |
1276 | static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev, |
1277 | struct sk_buff *skb) | |
1278 | { | |
1279 | struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data; | |
1280 | ||
1281 | BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x", | |
1282 | hdev->name, rp->status, rp->phy_handle); | |
1283 | ||
1284 | if (rp->status) | |
1285 | return; | |
1286 | ||
1287 | amp_write_rem_assoc_continue(hdev, rp->phy_handle); | |
1288 | } | |
1289 | ||
5ae76a94 AK |
1290 | static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb) |
1291 | { | |
1292 | struct hci_rp_read_rssi *rp = (void *) skb->data; | |
1293 | struct hci_conn *conn; | |
1294 | ||
1295 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1296 | ||
1297 | if (rp->status) | |
1298 | return; | |
1299 | ||
1300 | hci_dev_lock(hdev); | |
1301 | ||
1302 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
1303 | if (conn) | |
1304 | conn->rssi = rp->rssi; | |
1305 | ||
1306 | hci_dev_unlock(hdev); | |
1307 | } | |
1308 | ||
5a134fae AK |
1309 | static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb) |
1310 | { | |
1311 | struct hci_cp_read_tx_power *sent; | |
1312 | struct hci_rp_read_tx_power *rp = (void *) skb->data; | |
1313 | struct hci_conn *conn; | |
1314 | ||
1315 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1316 | ||
1317 | if (rp->status) | |
1318 | return; | |
1319 | ||
1320 | sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); | |
1321 | if (!sent) | |
1322 | return; | |
1323 | ||
1324 | hci_dev_lock(hdev); | |
1325 | ||
1326 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
d0455ed9 AK |
1327 | if (!conn) |
1328 | goto unlock; | |
1329 | ||
1330 | switch (sent->type) { | |
1331 | case 0x00: | |
5a134fae | 1332 | conn->tx_power = rp->tx_power; |
d0455ed9 AK |
1333 | break; |
1334 | case 0x01: | |
1335 | conn->max_tx_power = rp->tx_power; | |
1336 | break; | |
1337 | } | |
5a134fae | 1338 | |
d0455ed9 | 1339 | unlock: |
5a134fae AK |
1340 | hci_dev_unlock(hdev); |
1341 | } | |
1342 | ||
6039aa73 | 1343 | static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) |
a9de9248 | 1344 | { |
9f1db00c | 1345 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1346 | |
1347 | if (status) { | |
a9de9248 | 1348 | hci_conn_check_pending(hdev); |
314b2381 JH |
1349 | return; |
1350 | } | |
1351 | ||
89352e7d | 1352 | set_bit(HCI_INQUIRY, &hdev->flags); |
1da177e4 LT |
1353 | } |
1354 | ||
6039aa73 | 1355 | static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1356 | { |
a9de9248 | 1357 | struct hci_cp_create_conn *cp; |
1da177e4 | 1358 | struct hci_conn *conn; |
1da177e4 | 1359 | |
9f1db00c | 1360 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1361 | |
1362 | cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); | |
1da177e4 LT |
1363 | if (!cp) |
1364 | return; | |
1365 | ||
1366 | hci_dev_lock(hdev); | |
1367 | ||
1368 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
1369 | ||
6ed93dc6 | 1370 | BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn); |
1da177e4 LT |
1371 | |
1372 | if (status) { | |
1373 | if (conn && conn->state == BT_CONNECT) { | |
4c67bc74 MH |
1374 | if (status != 0x0c || conn->attempt > 2) { |
1375 | conn->state = BT_CLOSED; | |
1376 | hci_proto_connect_cfm(conn, status); | |
1377 | hci_conn_del(conn); | |
1378 | } else | |
1379 | conn->state = BT_CONNECT2; | |
1da177e4 LT |
1380 | } |
1381 | } else { | |
1382 | if (!conn) { | |
1383 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr); | |
1384 | if (conn) { | |
a0c808b3 | 1385 | conn->out = true; |
4dae2798 | 1386 | set_bit(HCI_CONN_MASTER, &conn->flags); |
1da177e4 | 1387 | } else |
893ef971 | 1388 | BT_ERR("No memory for new connection"); |
1da177e4 LT |
1389 | } |
1390 | } | |
1391 | ||
1392 | hci_dev_unlock(hdev); | |
1393 | } | |
1394 | ||
a9de9248 | 1395 | static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1396 | { |
a9de9248 MH |
1397 | struct hci_cp_add_sco *cp; |
1398 | struct hci_conn *acl, *sco; | |
1399 | __u16 handle; | |
1da177e4 | 1400 | |
9f1db00c | 1401 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 | 1402 | |
a9de9248 MH |
1403 | if (!status) |
1404 | return; | |
1da177e4 | 1405 | |
a9de9248 MH |
1406 | cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO); |
1407 | if (!cp) | |
1408 | return; | |
1da177e4 | 1409 | |
a9de9248 | 1410 | handle = __le16_to_cpu(cp->handle); |
1da177e4 | 1411 | |
9f1db00c | 1412 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
1da177e4 | 1413 | |
a9de9248 | 1414 | hci_dev_lock(hdev); |
1da177e4 | 1415 | |
a9de9248 | 1416 | acl = hci_conn_hash_lookup_handle(hdev, handle); |
5a08ecce AE |
1417 | if (acl) { |
1418 | sco = acl->link; | |
1419 | if (sco) { | |
1420 | sco->state = BT_CLOSED; | |
1da177e4 | 1421 | |
5a08ecce AE |
1422 | hci_proto_connect_cfm(sco, status); |
1423 | hci_conn_del(sco); | |
1424 | } | |
a9de9248 | 1425 | } |
1da177e4 | 1426 | |
a9de9248 MH |
1427 | hci_dev_unlock(hdev); |
1428 | } | |
1da177e4 | 1429 | |
f8558555 MH |
1430 | static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) |
1431 | { | |
1432 | struct hci_cp_auth_requested *cp; | |
1433 | struct hci_conn *conn; | |
1434 | ||
9f1db00c | 1435 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1436 | |
1437 | if (!status) | |
1438 | return; | |
1439 | ||
1440 | cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED); | |
1441 | if (!cp) | |
1442 | return; | |
1443 | ||
1444 | hci_dev_lock(hdev); | |
1445 | ||
1446 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1447 | if (conn) { | |
1448 | if (conn->state == BT_CONFIG) { | |
1449 | hci_proto_connect_cfm(conn, status); | |
76a68ba0 | 1450 | hci_conn_drop(conn); |
f8558555 MH |
1451 | } |
1452 | } | |
1453 | ||
1454 | hci_dev_unlock(hdev); | |
1455 | } | |
1456 | ||
1457 | static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) | |
1458 | { | |
1459 | struct hci_cp_set_conn_encrypt *cp; | |
1460 | struct hci_conn *conn; | |
1461 | ||
9f1db00c | 1462 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1463 | |
1464 | if (!status) | |
1465 | return; | |
1466 | ||
1467 | cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT); | |
1468 | if (!cp) | |
1469 | return; | |
1470 | ||
1471 | hci_dev_lock(hdev); | |
1472 | ||
1473 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1474 | if (conn) { | |
1475 | if (conn->state == BT_CONFIG) { | |
1476 | hci_proto_connect_cfm(conn, status); | |
76a68ba0 | 1477 | hci_conn_drop(conn); |
f8558555 MH |
1478 | } |
1479 | } | |
1480 | ||
1481 | hci_dev_unlock(hdev); | |
1482 | } | |
1483 | ||
127178d2 | 1484 | static int hci_outgoing_auth_needed(struct hci_dev *hdev, |
807deac2 | 1485 | struct hci_conn *conn) |
392599b9 | 1486 | { |
392599b9 JH |
1487 | if (conn->state != BT_CONFIG || !conn->out) |
1488 | return 0; | |
1489 | ||
765c2a96 | 1490 | if (conn->pending_sec_level == BT_SECURITY_SDP) |
392599b9 JH |
1491 | return 0; |
1492 | ||
1493 | /* Only request authentication for SSP connections or non-SSP | |
264b8b4e JH |
1494 | * devices with sec_level MEDIUM or HIGH or if MITM protection |
1495 | * is requested. | |
1496 | */ | |
807deac2 | 1497 | if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) && |
7e3691e1 | 1498 | conn->pending_sec_level != BT_SECURITY_FIPS && |
264b8b4e JH |
1499 | conn->pending_sec_level != BT_SECURITY_HIGH && |
1500 | conn->pending_sec_level != BT_SECURITY_MEDIUM) | |
392599b9 JH |
1501 | return 0; |
1502 | ||
392599b9 JH |
1503 | return 1; |
1504 | } | |
1505 | ||
6039aa73 | 1506 | static int hci_resolve_name(struct hci_dev *hdev, |
04124681 | 1507 | struct inquiry_entry *e) |
30dc78e1 JH |
1508 | { |
1509 | struct hci_cp_remote_name_req cp; | |
1510 | ||
1511 | memset(&cp, 0, sizeof(cp)); | |
1512 | ||
1513 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
1514 | cp.pscan_rep_mode = e->data.pscan_rep_mode; | |
1515 | cp.pscan_mode = e->data.pscan_mode; | |
1516 | cp.clock_offset = e->data.clock_offset; | |
1517 | ||
1518 | return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
1519 | } | |
1520 | ||
b644ba33 | 1521 | static bool hci_resolve_next_name(struct hci_dev *hdev) |
30dc78e1 JH |
1522 | { |
1523 | struct discovery_state *discov = &hdev->discovery; | |
1524 | struct inquiry_entry *e; | |
1525 | ||
b644ba33 JH |
1526 | if (list_empty(&discov->resolve)) |
1527 | return false; | |
1528 | ||
1529 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
c810089c RM |
1530 | if (!e) |
1531 | return false; | |
1532 | ||
b644ba33 JH |
1533 | if (hci_resolve_name(hdev, e) == 0) { |
1534 | e->name_state = NAME_PENDING; | |
1535 | return true; | |
1536 | } | |
1537 | ||
1538 | return false; | |
1539 | } | |
1540 | ||
1541 | static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, | |
04124681 | 1542 | bdaddr_t *bdaddr, u8 *name, u8 name_len) |
b644ba33 JH |
1543 | { |
1544 | struct discovery_state *discov = &hdev->discovery; | |
1545 | struct inquiry_entry *e; | |
1546 | ||
1547 | if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) | |
04124681 GP |
1548 | mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name, |
1549 | name_len, conn->dev_class); | |
b644ba33 JH |
1550 | |
1551 | if (discov->state == DISCOVERY_STOPPED) | |
1552 | return; | |
1553 | ||
30dc78e1 JH |
1554 | if (discov->state == DISCOVERY_STOPPING) |
1555 | goto discov_complete; | |
1556 | ||
1557 | if (discov->state != DISCOVERY_RESOLVING) | |
1558 | return; | |
1559 | ||
1560 | e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING); | |
7cc8380e RM |
1561 | /* If the device was not found in a list of found devices names of which |
1562 | * are pending. there is no need to continue resolving a next name as it | |
1563 | * will be done upon receiving another Remote Name Request Complete | |
1564 | * Event */ | |
1565 | if (!e) | |
1566 | return; | |
1567 | ||
1568 | list_del(&e->list); | |
1569 | if (name) { | |
30dc78e1 | 1570 | e->name_state = NAME_KNOWN; |
7cc8380e RM |
1571 | mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, |
1572 | e->data.rssi, name, name_len); | |
c3e7c0d9 RM |
1573 | } else { |
1574 | e->name_state = NAME_NOT_KNOWN; | |
30dc78e1 JH |
1575 | } |
1576 | ||
b644ba33 | 1577 | if (hci_resolve_next_name(hdev)) |
30dc78e1 | 1578 | return; |
30dc78e1 JH |
1579 | |
1580 | discov_complete: | |
1581 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
1582 | } | |
1583 | ||
a9de9248 MH |
1584 | static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) |
1585 | { | |
127178d2 JH |
1586 | struct hci_cp_remote_name_req *cp; |
1587 | struct hci_conn *conn; | |
1588 | ||
9f1db00c | 1589 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
127178d2 JH |
1590 | |
1591 | /* If successful wait for the name req complete event before | |
1592 | * checking for the need to do authentication */ | |
1593 | if (!status) | |
1594 | return; | |
1595 | ||
1596 | cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ); | |
1597 | if (!cp) | |
1598 | return; | |
1599 | ||
1600 | hci_dev_lock(hdev); | |
1601 | ||
b644ba33 JH |
1602 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); |
1603 | ||
a8b2d5c2 | 1604 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
b644ba33 | 1605 | hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0); |
30dc78e1 | 1606 | |
79c6c70c JH |
1607 | if (!conn) |
1608 | goto unlock; | |
1609 | ||
1610 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
1611 | goto unlock; | |
1612 | ||
51a8efd7 | 1613 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
c1f23a2b JB |
1614 | struct hci_cp_auth_requested auth_cp; |
1615 | ||
1616 | auth_cp.handle = __cpu_to_le16(conn->handle); | |
1617 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, | |
1618 | sizeof(auth_cp), &auth_cp); | |
127178d2 JH |
1619 | } |
1620 | ||
79c6c70c | 1621 | unlock: |
127178d2 | 1622 | hci_dev_unlock(hdev); |
a9de9248 | 1623 | } |
1da177e4 | 1624 | |
769be974 MH |
1625 | static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) |
1626 | { | |
1627 | struct hci_cp_read_remote_features *cp; | |
1628 | struct hci_conn *conn; | |
1629 | ||
9f1db00c | 1630 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
1631 | |
1632 | if (!status) | |
1633 | return; | |
1634 | ||
1635 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES); | |
1636 | if (!cp) | |
1637 | return; | |
1638 | ||
1639 | hci_dev_lock(hdev); | |
1640 | ||
1641 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1642 | if (conn) { | |
1643 | if (conn->state == BT_CONFIG) { | |
769be974 | 1644 | hci_proto_connect_cfm(conn, status); |
76a68ba0 | 1645 | hci_conn_drop(conn); |
769be974 MH |
1646 | } |
1647 | } | |
1648 | ||
1649 | hci_dev_unlock(hdev); | |
1650 | } | |
1651 | ||
1652 | static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) | |
1653 | { | |
1654 | struct hci_cp_read_remote_ext_features *cp; | |
1655 | struct hci_conn *conn; | |
1656 | ||
9f1db00c | 1657 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
1658 | |
1659 | if (!status) | |
1660 | return; | |
1661 | ||
1662 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES); | |
1663 | if (!cp) | |
1664 | return; | |
1665 | ||
1666 | hci_dev_lock(hdev); | |
1667 | ||
1668 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1669 | if (conn) { | |
1670 | if (conn->state == BT_CONFIG) { | |
769be974 | 1671 | hci_proto_connect_cfm(conn, status); |
76a68ba0 | 1672 | hci_conn_drop(conn); |
769be974 MH |
1673 | } |
1674 | } | |
1675 | ||
1676 | hci_dev_unlock(hdev); | |
1677 | } | |
1678 | ||
a9de9248 MH |
1679 | static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) |
1680 | { | |
b6a0dc82 MH |
1681 | struct hci_cp_setup_sync_conn *cp; |
1682 | struct hci_conn *acl, *sco; | |
1683 | __u16 handle; | |
1684 | ||
9f1db00c | 1685 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 MH |
1686 | |
1687 | if (!status) | |
1688 | return; | |
1689 | ||
1690 | cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN); | |
1691 | if (!cp) | |
1692 | return; | |
1693 | ||
1694 | handle = __le16_to_cpu(cp->handle); | |
1695 | ||
9f1db00c | 1696 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
b6a0dc82 MH |
1697 | |
1698 | hci_dev_lock(hdev); | |
1699 | ||
1700 | acl = hci_conn_hash_lookup_handle(hdev, handle); | |
5a08ecce AE |
1701 | if (acl) { |
1702 | sco = acl->link; | |
1703 | if (sco) { | |
1704 | sco->state = BT_CLOSED; | |
b6a0dc82 | 1705 | |
5a08ecce AE |
1706 | hci_proto_connect_cfm(sco, status); |
1707 | hci_conn_del(sco); | |
1708 | } | |
b6a0dc82 MH |
1709 | } |
1710 | ||
1711 | hci_dev_unlock(hdev); | |
1da177e4 LT |
1712 | } |
1713 | ||
a9de9248 | 1714 | static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1715 | { |
a9de9248 MH |
1716 | struct hci_cp_sniff_mode *cp; |
1717 | struct hci_conn *conn; | |
1da177e4 | 1718 | |
9f1db00c | 1719 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 1720 | |
a9de9248 MH |
1721 | if (!status) |
1722 | return; | |
04837f64 | 1723 | |
a9de9248 MH |
1724 | cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE); |
1725 | if (!cp) | |
1726 | return; | |
04837f64 | 1727 | |
a9de9248 | 1728 | hci_dev_lock(hdev); |
04837f64 | 1729 | |
a9de9248 | 1730 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 1731 | if (conn) { |
51a8efd7 | 1732 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
04837f64 | 1733 | |
51a8efd7 | 1734 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
1735 | hci_sco_setup(conn, status); |
1736 | } | |
1737 | ||
a9de9248 MH |
1738 | hci_dev_unlock(hdev); |
1739 | } | |
04837f64 | 1740 | |
a9de9248 MH |
1741 | static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) |
1742 | { | |
1743 | struct hci_cp_exit_sniff_mode *cp; | |
1744 | struct hci_conn *conn; | |
04837f64 | 1745 | |
9f1db00c | 1746 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 1747 | |
a9de9248 MH |
1748 | if (!status) |
1749 | return; | |
04837f64 | 1750 | |
a9de9248 MH |
1751 | cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE); |
1752 | if (!cp) | |
1753 | return; | |
04837f64 | 1754 | |
a9de9248 | 1755 | hci_dev_lock(hdev); |
1da177e4 | 1756 | |
a9de9248 | 1757 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 1758 | if (conn) { |
51a8efd7 | 1759 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
1da177e4 | 1760 | |
51a8efd7 | 1761 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
1762 | hci_sco_setup(conn, status); |
1763 | } | |
1764 | ||
a9de9248 | 1765 | hci_dev_unlock(hdev); |
1da177e4 LT |
1766 | } |
1767 | ||
88c3df13 JH |
1768 | static void hci_cs_disconnect(struct hci_dev *hdev, u8 status) |
1769 | { | |
1770 | struct hci_cp_disconnect *cp; | |
1771 | struct hci_conn *conn; | |
1772 | ||
1773 | if (!status) | |
1774 | return; | |
1775 | ||
1776 | cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT); | |
1777 | if (!cp) | |
1778 | return; | |
1779 | ||
1780 | hci_dev_lock(hdev); | |
1781 | ||
1782 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1783 | if (conn) | |
1784 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
04124681 | 1785 | conn->dst_type, status); |
88c3df13 JH |
1786 | |
1787 | hci_dev_unlock(hdev); | |
1788 | } | |
1789 | ||
a02226d6 AE |
1790 | static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status) |
1791 | { | |
93c284ee AE |
1792 | struct hci_cp_create_phy_link *cp; |
1793 | ||
a02226d6 | 1794 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
93c284ee | 1795 | |
93c284ee AE |
1796 | cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK); |
1797 | if (!cp) | |
1798 | return; | |
1799 | ||
e58917b9 AE |
1800 | hci_dev_lock(hdev); |
1801 | ||
1802 | if (status) { | |
1803 | struct hci_conn *hcon; | |
1804 | ||
1805 | hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle); | |
1806 | if (hcon) | |
1807 | hci_conn_del(hcon); | |
1808 | } else { | |
1809 | amp_write_remote_assoc(hdev, cp->phy_handle); | |
1810 | } | |
1811 | ||
1812 | hci_dev_unlock(hdev); | |
a02226d6 AE |
1813 | } |
1814 | ||
0b26ab9d AE |
1815 | static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status) |
1816 | { | |
1817 | struct hci_cp_accept_phy_link *cp; | |
1818 | ||
1819 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1820 | ||
1821 | if (status) | |
1822 | return; | |
1823 | ||
1824 | cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK); | |
1825 | if (!cp) | |
1826 | return; | |
1827 | ||
1828 | amp_write_remote_assoc(hdev, cp->phy_handle); | |
1829 | } | |
1830 | ||
cb1d68f7 JH |
1831 | static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status) |
1832 | { | |
1833 | struct hci_cp_le_create_conn *cp; | |
1834 | struct hci_conn *conn; | |
1835 | ||
1836 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1837 | ||
1838 | /* All connection failure handling is taken care of by the | |
1839 | * hci_le_conn_failed function which is triggered by the HCI | |
1840 | * request completion callbacks used for connecting. | |
1841 | */ | |
1842 | if (status) | |
1843 | return; | |
1844 | ||
1845 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN); | |
1846 | if (!cp) | |
1847 | return; | |
1848 | ||
1849 | hci_dev_lock(hdev); | |
1850 | ||
1851 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr); | |
1852 | if (!conn) | |
1853 | goto unlock; | |
1854 | ||
1855 | /* Store the initiator and responder address information which | |
1856 | * is needed for SMP. These values will not change during the | |
1857 | * lifetime of the connection. | |
1858 | */ | |
1859 | conn->init_addr_type = cp->own_address_type; | |
1860 | if (cp->own_address_type == ADDR_LE_DEV_RANDOM) | |
1861 | bacpy(&conn->init_addr, &hdev->random_addr); | |
1862 | else | |
1863 | bacpy(&conn->init_addr, &hdev->bdaddr); | |
1864 | ||
1865 | conn->resp_addr_type = cp->peer_addr_type; | |
1866 | bacpy(&conn->resp_addr, &cp->peer_addr); | |
1867 | ||
9489eca4 JH |
1868 | /* We don't want the connection attempt to stick around |
1869 | * indefinitely since LE doesn't have a page timeout concept | |
1870 | * like BR/EDR. Set a timer for any connection that doesn't use | |
1871 | * the white list for connecting. | |
1872 | */ | |
1873 | if (cp->filter_policy == HCI_LE_USE_PEER_ADDR) | |
1874 | queue_delayed_work(conn->hdev->workqueue, | |
1875 | &conn->le_conn_timeout, | |
1876 | HCI_LE_CONN_TIMEOUT); | |
1877 | ||
cb1d68f7 JH |
1878 | unlock: |
1879 | hci_dev_unlock(hdev); | |
1880 | } | |
1881 | ||
81d0c8ad JH |
1882 | static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) |
1883 | { | |
1884 | struct hci_cp_le_start_enc *cp; | |
1885 | struct hci_conn *conn; | |
1886 | ||
1887 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1888 | ||
1889 | if (!status) | |
1890 | return; | |
1891 | ||
1892 | hci_dev_lock(hdev); | |
1893 | ||
1894 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC); | |
1895 | if (!cp) | |
1896 | goto unlock; | |
1897 | ||
1898 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1899 | if (!conn) | |
1900 | goto unlock; | |
1901 | ||
1902 | if (conn->state != BT_CONNECTED) | |
1903 | goto unlock; | |
1904 | ||
1905 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); | |
1906 | hci_conn_drop(conn); | |
1907 | ||
1908 | unlock: | |
1909 | hci_dev_unlock(hdev); | |
1910 | } | |
1911 | ||
6039aa73 | 1912 | static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 LT |
1913 | { |
1914 | __u8 status = *((__u8 *) skb->data); | |
30dc78e1 JH |
1915 | struct discovery_state *discov = &hdev->discovery; |
1916 | struct inquiry_entry *e; | |
1da177e4 | 1917 | |
9f1db00c | 1918 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 1919 | |
a9de9248 | 1920 | hci_conn_check_pending(hdev); |
89352e7d AG |
1921 | |
1922 | if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) | |
1923 | return; | |
1924 | ||
4e857c58 | 1925 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
3e13fa1e AG |
1926 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
1927 | ||
a8b2d5c2 | 1928 | if (!test_bit(HCI_MGMT, &hdev->dev_flags)) |
30dc78e1 JH |
1929 | return; |
1930 | ||
56e5cb86 | 1931 | hci_dev_lock(hdev); |
30dc78e1 | 1932 | |
343f935b | 1933 | if (discov->state != DISCOVERY_FINDING) |
30dc78e1 JH |
1934 | goto unlock; |
1935 | ||
1936 | if (list_empty(&discov->resolve)) { | |
1937 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
1938 | goto unlock; | |
1939 | } | |
1940 | ||
1941 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
1942 | if (e && hci_resolve_name(hdev, e) == 0) { | |
1943 | e->name_state = NAME_PENDING; | |
1944 | hci_discovery_set_state(hdev, DISCOVERY_RESOLVING); | |
1945 | } else { | |
1946 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
1947 | } | |
1948 | ||
1949 | unlock: | |
56e5cb86 | 1950 | hci_dev_unlock(hdev); |
1da177e4 LT |
1951 | } |
1952 | ||
6039aa73 | 1953 | static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 1954 | { |
45bb4bf0 | 1955 | struct inquiry_data data; |
a9de9248 | 1956 | struct inquiry_info *info = (void *) (skb->data + 1); |
1da177e4 LT |
1957 | int num_rsp = *((__u8 *) skb->data); |
1958 | ||
1959 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
1960 | ||
45bb4bf0 MH |
1961 | if (!num_rsp) |
1962 | return; | |
1963 | ||
1519cc17 AG |
1964 | if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) |
1965 | return; | |
1966 | ||
1da177e4 | 1967 | hci_dev_lock(hdev); |
45bb4bf0 | 1968 | |
e17acd40 | 1969 | for (; num_rsp; num_rsp--, info++) { |
af58925c | 1970 | u32 flags; |
3175405b | 1971 | |
1da177e4 LT |
1972 | bacpy(&data.bdaddr, &info->bdaddr); |
1973 | data.pscan_rep_mode = info->pscan_rep_mode; | |
1974 | data.pscan_period_mode = info->pscan_period_mode; | |
1975 | data.pscan_mode = info->pscan_mode; | |
1976 | memcpy(data.dev_class, info->dev_class, 3); | |
1977 | data.clock_offset = info->clock_offset; | |
1978 | data.rssi = 0x00; | |
41a96212 | 1979 | data.ssp_mode = 0x00; |
3175405b | 1980 | |
af58925c MH |
1981 | flags = hci_inquiry_cache_update(hdev, &data, false); |
1982 | ||
48264f06 | 1983 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
af58925c | 1984 | info->dev_class, 0, flags, NULL, 0, NULL, 0); |
1da177e4 | 1985 | } |
45bb4bf0 | 1986 | |
1da177e4 LT |
1987 | hci_dev_unlock(hdev); |
1988 | } | |
1989 | ||
6039aa73 | 1990 | static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 1991 | { |
a9de9248 MH |
1992 | struct hci_ev_conn_complete *ev = (void *) skb->data; |
1993 | struct hci_conn *conn; | |
1da177e4 LT |
1994 | |
1995 | BT_DBG("%s", hdev->name); | |
1996 | ||
1997 | hci_dev_lock(hdev); | |
1998 | ||
1999 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9499237a MH |
2000 | if (!conn) { |
2001 | if (ev->link_type != SCO_LINK) | |
2002 | goto unlock; | |
2003 | ||
2004 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); | |
2005 | if (!conn) | |
2006 | goto unlock; | |
2007 | ||
2008 | conn->type = SCO_LINK; | |
2009 | } | |
1da177e4 LT |
2010 | |
2011 | if (!ev->status) { | |
2012 | conn->handle = __le16_to_cpu(ev->handle); | |
769be974 MH |
2013 | |
2014 | if (conn->type == ACL_LINK) { | |
2015 | conn->state = BT_CONFIG; | |
2016 | hci_conn_hold(conn); | |
a9ea3ed9 SJ |
2017 | |
2018 | if (!conn->out && !hci_conn_ssp_enabled(conn) && | |
2019 | !hci_find_link_key(hdev, &ev->bdaddr)) | |
2020 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
2021 | else | |
2022 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
769be974 MH |
2023 | } else |
2024 | conn->state = BT_CONNECTED; | |
1da177e4 | 2025 | |
7d0db0a3 MH |
2026 | hci_conn_add_sysfs(conn); |
2027 | ||
1da177e4 | 2028 | if (test_bit(HCI_AUTH, &hdev->flags)) |
4dae2798 | 2029 | set_bit(HCI_CONN_AUTH, &conn->flags); |
1da177e4 LT |
2030 | |
2031 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
4dae2798 | 2032 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); |
1da177e4 | 2033 | |
04837f64 MH |
2034 | /* Get remote features */ |
2035 | if (conn->type == ACL_LINK) { | |
2036 | struct hci_cp_read_remote_features cp; | |
2037 | cp.handle = ev->handle; | |
769be974 | 2038 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, |
04124681 | 2039 | sizeof(cp), &cp); |
04837f64 MH |
2040 | } |
2041 | ||
1da177e4 | 2042 | /* Set packet type for incoming connection */ |
d095c1eb | 2043 | if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) { |
1da177e4 LT |
2044 | struct hci_cp_change_conn_ptype cp; |
2045 | cp.handle = ev->handle; | |
a8746417 | 2046 | cp.pkt_type = cpu_to_le16(conn->pkt_type); |
04124681 GP |
2047 | hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), |
2048 | &cp); | |
1da177e4 | 2049 | } |
17d5c04c | 2050 | } else { |
1da177e4 | 2051 | conn->state = BT_CLOSED; |
17d5c04c | 2052 | if (conn->type == ACL_LINK) |
64c7b77c | 2053 | mgmt_connect_failed(hdev, &conn->dst, conn->type, |
04124681 | 2054 | conn->dst_type, ev->status); |
17d5c04c | 2055 | } |
1da177e4 | 2056 | |
e73439d8 MH |
2057 | if (conn->type == ACL_LINK) |
2058 | hci_sco_setup(conn, ev->status); | |
1da177e4 | 2059 | |
769be974 MH |
2060 | if (ev->status) { |
2061 | hci_proto_connect_cfm(conn, ev->status); | |
1da177e4 | 2062 | hci_conn_del(conn); |
c89b6e6b MH |
2063 | } else if (ev->link_type != ACL_LINK) |
2064 | hci_proto_connect_cfm(conn, ev->status); | |
1da177e4 | 2065 | |
a9de9248 | 2066 | unlock: |
1da177e4 | 2067 | hci_dev_unlock(hdev); |
1da177e4 | 2068 | |
a9de9248 | 2069 | hci_conn_check_pending(hdev); |
1da177e4 LT |
2070 | } |
2071 | ||
6039aa73 | 2072 | static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2073 | { |
a9de9248 MH |
2074 | struct hci_ev_conn_request *ev = (void *) skb->data; |
2075 | int mask = hdev->link_mode; | |
20714bfe | 2076 | __u8 flags = 0; |
1da177e4 | 2077 | |
6ed93dc6 | 2078 | BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr, |
807deac2 | 2079 | ev->link_type); |
1da177e4 | 2080 | |
20714bfe FD |
2081 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type, |
2082 | &flags); | |
1da177e4 | 2083 | |
138d22ef | 2084 | if ((mask & HCI_LM_ACCEPT) && |
b9ee0a78 | 2085 | !hci_blacklist_lookup(hdev, &ev->bdaddr, BDADDR_BREDR)) { |
a9de9248 | 2086 | /* Connection accepted */ |
c7bdd502 | 2087 | struct inquiry_entry *ie; |
1da177e4 | 2088 | struct hci_conn *conn; |
1da177e4 | 2089 | |
a9de9248 | 2090 | hci_dev_lock(hdev); |
b6a0dc82 | 2091 | |
cc11b9c1 AE |
2092 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
2093 | if (ie) | |
c7bdd502 MH |
2094 | memcpy(ie->data.dev_class, ev->dev_class, 3); |
2095 | ||
8fc9ced3 GP |
2096 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, |
2097 | &ev->bdaddr); | |
a9de9248 | 2098 | if (!conn) { |
cc11b9c1 AE |
2099 | conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr); |
2100 | if (!conn) { | |
893ef971 | 2101 | BT_ERR("No memory for new connection"); |
a9de9248 MH |
2102 | hci_dev_unlock(hdev); |
2103 | return; | |
1da177e4 LT |
2104 | } |
2105 | } | |
b6a0dc82 | 2106 | |
a9de9248 | 2107 | memcpy(conn->dev_class, ev->dev_class, 3); |
b6a0dc82 | 2108 | |
a9de9248 | 2109 | hci_dev_unlock(hdev); |
1da177e4 | 2110 | |
20714bfe FD |
2111 | if (ev->link_type == ACL_LINK || |
2112 | (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) { | |
b6a0dc82 | 2113 | struct hci_cp_accept_conn_req cp; |
20714bfe | 2114 | conn->state = BT_CONNECT; |
1da177e4 | 2115 | |
b6a0dc82 MH |
2116 | bacpy(&cp.bdaddr, &ev->bdaddr); |
2117 | ||
2118 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) | |
2119 | cp.role = 0x00; /* Become master */ | |
2120 | else | |
2121 | cp.role = 0x01; /* Remain slave */ | |
2122 | ||
04124681 GP |
2123 | hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), |
2124 | &cp); | |
20714bfe | 2125 | } else if (!(flags & HCI_PROTO_DEFER)) { |
b6a0dc82 | 2126 | struct hci_cp_accept_sync_conn_req cp; |
20714bfe | 2127 | conn->state = BT_CONNECT; |
b6a0dc82 MH |
2128 | |
2129 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
a8746417 | 2130 | cp.pkt_type = cpu_to_le16(conn->pkt_type); |
b6a0dc82 | 2131 | |
dcf4adbf JP |
2132 | cp.tx_bandwidth = cpu_to_le32(0x00001f40); |
2133 | cp.rx_bandwidth = cpu_to_le32(0x00001f40); | |
2134 | cp.max_latency = cpu_to_le16(0xffff); | |
b6a0dc82 MH |
2135 | cp.content_format = cpu_to_le16(hdev->voice_setting); |
2136 | cp.retrans_effort = 0xff; | |
1da177e4 | 2137 | |
b6a0dc82 | 2138 | hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, |
04124681 | 2139 | sizeof(cp), &cp); |
20714bfe FD |
2140 | } else { |
2141 | conn->state = BT_CONNECT2; | |
2142 | hci_proto_connect_cfm(conn, 0); | |
b6a0dc82 | 2143 | } |
a9de9248 MH |
2144 | } else { |
2145 | /* Connection rejected */ | |
2146 | struct hci_cp_reject_conn_req cp; | |
1da177e4 | 2147 | |
a9de9248 | 2148 | bacpy(&cp.bdaddr, &ev->bdaddr); |
9f5a0d7b | 2149 | cp.reason = HCI_ERROR_REJ_BAD_ADDR; |
a9de9248 | 2150 | hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp); |
1da177e4 | 2151 | } |
1da177e4 LT |
2152 | } |
2153 | ||
f0d6a0ea MA |
2154 | static u8 hci_to_mgmt_reason(u8 err) |
2155 | { | |
2156 | switch (err) { | |
2157 | case HCI_ERROR_CONNECTION_TIMEOUT: | |
2158 | return MGMT_DEV_DISCONN_TIMEOUT; | |
2159 | case HCI_ERROR_REMOTE_USER_TERM: | |
2160 | case HCI_ERROR_REMOTE_LOW_RESOURCES: | |
2161 | case HCI_ERROR_REMOTE_POWER_OFF: | |
2162 | return MGMT_DEV_DISCONN_REMOTE; | |
2163 | case HCI_ERROR_LOCAL_HOST_TERM: | |
2164 | return MGMT_DEV_DISCONN_LOCAL_HOST; | |
2165 | default: | |
2166 | return MGMT_DEV_DISCONN_UNKNOWN; | |
2167 | } | |
2168 | } | |
2169 | ||
6039aa73 | 2170 | static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 2171 | { |
a9de9248 | 2172 | struct hci_ev_disconn_complete *ev = (void *) skb->data; |
abf54a50 | 2173 | u8 reason = hci_to_mgmt_reason(ev->reason); |
9fcb18ef | 2174 | struct hci_conn_params *params; |
04837f64 | 2175 | struct hci_conn *conn; |
12d4a3b2 | 2176 | bool mgmt_connected; |
3846220b | 2177 | u8 type; |
04837f64 | 2178 | |
9f1db00c | 2179 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
2180 | |
2181 | hci_dev_lock(hdev); | |
2182 | ||
2183 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
f7520543 JH |
2184 | if (!conn) |
2185 | goto unlock; | |
7d0db0a3 | 2186 | |
abf54a50 AG |
2187 | if (ev->status) { |
2188 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
2189 | conn->dst_type, ev->status); | |
2190 | goto unlock; | |
37d9ef76 | 2191 | } |
f7520543 | 2192 | |
3846220b AG |
2193 | conn->state = BT_CLOSED; |
2194 | ||
12d4a3b2 JH |
2195 | mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags); |
2196 | mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type, | |
2197 | reason, mgmt_connected); | |
abf54a50 | 2198 | |
af6a9c32 JH |
2199 | if (conn->type == ACL_LINK && |
2200 | test_bit(HCI_CONN_FLUSH_KEY, &conn->flags)) | |
3846220b | 2201 | hci_remove_link_key(hdev, &conn->dst); |
2210246c | 2202 | |
9fcb18ef AG |
2203 | params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); |
2204 | if (params) { | |
2205 | switch (params->auto_connect) { | |
2206 | case HCI_AUTO_CONN_LINK_LOSS: | |
2207 | if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT) | |
2208 | break; | |
2209 | /* Fall through */ | |
2210 | ||
2211 | case HCI_AUTO_CONN_ALWAYS: | |
2212 | hci_pend_le_conn_add(hdev, &conn->dst, conn->dst_type); | |
2213 | break; | |
2214 | ||
2215 | default: | |
2216 | break; | |
2217 | } | |
2218 | } | |
2219 | ||
3846220b | 2220 | type = conn->type; |
2210246c | 2221 | |
3846220b AG |
2222 | hci_proto_disconn_cfm(conn, ev->reason); |
2223 | hci_conn_del(conn); | |
2224 | ||
2225 | /* Re-enable advertising if necessary, since it might | |
2226 | * have been disabled by the connection. From the | |
2227 | * HCI_LE_Set_Advertise_Enable command description in | |
2228 | * the core specification (v4.0): | |
2229 | * "The Controller shall continue advertising until the Host | |
2230 | * issues an LE_Set_Advertise_Enable command with | |
2231 | * Advertising_Enable set to 0x00 (Advertising is disabled) | |
2232 | * or until a connection is created or until the Advertising | |
2233 | * is timed out due to Directed Advertising." | |
2234 | */ | |
2235 | if (type == LE_LINK) | |
2236 | mgmt_reenable_advertising(hdev); | |
f7520543 JH |
2237 | |
2238 | unlock: | |
04837f64 MH |
2239 | hci_dev_unlock(hdev); |
2240 | } | |
2241 | ||
6039aa73 | 2242 | static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2243 | { |
a9de9248 | 2244 | struct hci_ev_auth_complete *ev = (void *) skb->data; |
04837f64 | 2245 | struct hci_conn *conn; |
1da177e4 | 2246 | |
9f1db00c | 2247 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2248 | |
2249 | hci_dev_lock(hdev); | |
2250 | ||
04837f64 | 2251 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
d7556e20 WR |
2252 | if (!conn) |
2253 | goto unlock; | |
2254 | ||
2255 | if (!ev->status) { | |
aa64a8b5 | 2256 | if (!hci_conn_ssp_enabled(conn) && |
807deac2 | 2257 | test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { |
d7556e20 | 2258 | BT_INFO("re-auth of legacy device is not possible."); |
2a611692 | 2259 | } else { |
4dae2798 | 2260 | set_bit(HCI_CONN_AUTH, &conn->flags); |
d7556e20 | 2261 | conn->sec_level = conn->pending_sec_level; |
2a611692 | 2262 | } |
d7556e20 | 2263 | } else { |
bab73cb6 | 2264 | mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type, |
04124681 | 2265 | ev->status); |
d7556e20 | 2266 | } |
1da177e4 | 2267 | |
51a8efd7 JH |
2268 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
2269 | clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags); | |
1da177e4 | 2270 | |
d7556e20 | 2271 | if (conn->state == BT_CONFIG) { |
aa64a8b5 | 2272 | if (!ev->status && hci_conn_ssp_enabled(conn)) { |
d7556e20 WR |
2273 | struct hci_cp_set_conn_encrypt cp; |
2274 | cp.handle = ev->handle; | |
2275 | cp.encrypt = 0x01; | |
2276 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2277 | &cp); |
052b30b0 | 2278 | } else { |
d7556e20 WR |
2279 | conn->state = BT_CONNECTED; |
2280 | hci_proto_connect_cfm(conn, ev->status); | |
76a68ba0 | 2281 | hci_conn_drop(conn); |
052b30b0 | 2282 | } |
d7556e20 WR |
2283 | } else { |
2284 | hci_auth_cfm(conn, ev->status); | |
052b30b0 | 2285 | |
d7556e20 WR |
2286 | hci_conn_hold(conn); |
2287 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 2288 | hci_conn_drop(conn); |
d7556e20 WR |
2289 | } |
2290 | ||
51a8efd7 | 2291 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { |
d7556e20 WR |
2292 | if (!ev->status) { |
2293 | struct hci_cp_set_conn_encrypt cp; | |
2294 | cp.handle = ev->handle; | |
2295 | cp.encrypt = 0x01; | |
2296 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2297 | &cp); |
d7556e20 | 2298 | } else { |
51a8efd7 | 2299 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
d7556e20 | 2300 | hci_encrypt_cfm(conn, ev->status, 0x00); |
1da177e4 LT |
2301 | } |
2302 | } | |
2303 | ||
d7556e20 | 2304 | unlock: |
1da177e4 LT |
2305 | hci_dev_unlock(hdev); |
2306 | } | |
2307 | ||
6039aa73 | 2308 | static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2309 | { |
127178d2 JH |
2310 | struct hci_ev_remote_name *ev = (void *) skb->data; |
2311 | struct hci_conn *conn; | |
2312 | ||
a9de9248 | 2313 | BT_DBG("%s", hdev->name); |
1da177e4 | 2314 | |
a9de9248 | 2315 | hci_conn_check_pending(hdev); |
127178d2 JH |
2316 | |
2317 | hci_dev_lock(hdev); | |
2318 | ||
b644ba33 | 2319 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
30dc78e1 | 2320 | |
b644ba33 JH |
2321 | if (!test_bit(HCI_MGMT, &hdev->dev_flags)) |
2322 | goto check_auth; | |
a88a9652 | 2323 | |
b644ba33 JH |
2324 | if (ev->status == 0) |
2325 | hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name, | |
04124681 | 2326 | strnlen(ev->name, HCI_MAX_NAME_LENGTH)); |
b644ba33 JH |
2327 | else |
2328 | hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0); | |
2329 | ||
2330 | check_auth: | |
79c6c70c JH |
2331 | if (!conn) |
2332 | goto unlock; | |
2333 | ||
2334 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
2335 | goto unlock; | |
2336 | ||
51a8efd7 | 2337 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
127178d2 JH |
2338 | struct hci_cp_auth_requested cp; |
2339 | cp.handle = __cpu_to_le16(conn->handle); | |
2340 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); | |
2341 | } | |
2342 | ||
79c6c70c | 2343 | unlock: |
127178d2 | 2344 | hci_dev_unlock(hdev); |
a9de9248 MH |
2345 | } |
2346 | ||
6039aa73 | 2347 | static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
2348 | { |
2349 | struct hci_ev_encrypt_change *ev = (void *) skb->data; | |
2350 | struct hci_conn *conn; | |
2351 | ||
9f1db00c | 2352 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2353 | |
2354 | hci_dev_lock(hdev); | |
2355 | ||
04837f64 | 2356 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
dc8357cc MH |
2357 | if (!conn) |
2358 | goto unlock; | |
1da177e4 | 2359 | |
dc8357cc MH |
2360 | if (!ev->status) { |
2361 | if (ev->encrypt) { | |
2362 | /* Encryption implies authentication */ | |
4dae2798 JH |
2363 | set_bit(HCI_CONN_AUTH, &conn->flags); |
2364 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); | |
dc8357cc | 2365 | conn->sec_level = conn->pending_sec_level; |
abf76bad | 2366 | |
914a6ffe MH |
2367 | /* P-256 authentication key implies FIPS */ |
2368 | if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256) | |
4dae2798 | 2369 | set_bit(HCI_CONN_FIPS, &conn->flags); |
914a6ffe | 2370 | |
abf76bad MH |
2371 | if ((conn->type == ACL_LINK && ev->encrypt == 0x02) || |
2372 | conn->type == LE_LINK) | |
2373 | set_bit(HCI_CONN_AES_CCM, &conn->flags); | |
2374 | } else { | |
4dae2798 | 2375 | clear_bit(HCI_CONN_ENCRYPT, &conn->flags); |
abf76bad MH |
2376 | clear_bit(HCI_CONN_AES_CCM, &conn->flags); |
2377 | } | |
dc8357cc | 2378 | } |
a7d7723a | 2379 | |
dc8357cc | 2380 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
f8558555 | 2381 | |
dc8357cc MH |
2382 | if (ev->status && conn->state == BT_CONNECTED) { |
2383 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); | |
2384 | hci_conn_drop(conn); | |
2385 | goto unlock; | |
1da177e4 LT |
2386 | } |
2387 | ||
dc8357cc MH |
2388 | if (conn->state == BT_CONFIG) { |
2389 | if (!ev->status) | |
2390 | conn->state = BT_CONNECTED; | |
2391 | ||
40b552aa MH |
2392 | /* In Secure Connections Only mode, do not allow any |
2393 | * connections that are not encrypted with AES-CCM | |
2394 | * using a P-256 authenticated combination key. | |
2395 | */ | |
2396 | if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) && | |
2397 | (!test_bit(HCI_CONN_AES_CCM, &conn->flags) || | |
2398 | conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) { | |
2399 | hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE); | |
2400 | hci_conn_drop(conn); | |
2401 | goto unlock; | |
2402 | } | |
2403 | ||
dc8357cc MH |
2404 | hci_proto_connect_cfm(conn, ev->status); |
2405 | hci_conn_drop(conn); | |
2406 | } else | |
2407 | hci_encrypt_cfm(conn, ev->status, ev->encrypt); | |
2408 | ||
a7d7723a | 2409 | unlock: |
1da177e4 LT |
2410 | hci_dev_unlock(hdev); |
2411 | } | |
2412 | ||
6039aa73 GP |
2413 | static void hci_change_link_key_complete_evt(struct hci_dev *hdev, |
2414 | struct sk_buff *skb) | |
1da177e4 | 2415 | { |
a9de9248 | 2416 | struct hci_ev_change_link_key_complete *ev = (void *) skb->data; |
04837f64 | 2417 | struct hci_conn *conn; |
1da177e4 | 2418 | |
9f1db00c | 2419 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2420 | |
2421 | hci_dev_lock(hdev); | |
2422 | ||
04837f64 | 2423 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
2424 | if (conn) { |
2425 | if (!ev->status) | |
4dae2798 | 2426 | set_bit(HCI_CONN_SECURE, &conn->flags); |
1da177e4 | 2427 | |
51a8efd7 | 2428 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
1da177e4 LT |
2429 | |
2430 | hci_key_change_cfm(conn, ev->status); | |
2431 | } | |
2432 | ||
2433 | hci_dev_unlock(hdev); | |
2434 | } | |
2435 | ||
6039aa73 GP |
2436 | static void hci_remote_features_evt(struct hci_dev *hdev, |
2437 | struct sk_buff *skb) | |
1da177e4 | 2438 | { |
a9de9248 MH |
2439 | struct hci_ev_remote_features *ev = (void *) skb->data; |
2440 | struct hci_conn *conn; | |
2441 | ||
9f1db00c | 2442 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 | 2443 | |
a9de9248 MH |
2444 | hci_dev_lock(hdev); |
2445 | ||
2446 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
2447 | if (!conn) |
2448 | goto unlock; | |
769be974 | 2449 | |
ccd556fe | 2450 | if (!ev->status) |
cad718ed | 2451 | memcpy(conn->features[0], ev->features, 8); |
ccd556fe JH |
2452 | |
2453 | if (conn->state != BT_CONFIG) | |
2454 | goto unlock; | |
2455 | ||
2456 | if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) { | |
2457 | struct hci_cp_read_remote_ext_features cp; | |
2458 | cp.handle = ev->handle; | |
2459 | cp.page = 0x01; | |
2460 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES, | |
807deac2 | 2461 | sizeof(cp), &cp); |
392599b9 JH |
2462 | goto unlock; |
2463 | } | |
2464 | ||
671267bf | 2465 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
2466 | struct hci_cp_remote_name_req cp; |
2467 | memset(&cp, 0, sizeof(cp)); | |
2468 | bacpy(&cp.bdaddr, &conn->dst); | |
2469 | cp.pscan_rep_mode = 0x02; | |
2470 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 JH |
2471 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
2472 | mgmt_device_connected(hdev, &conn->dst, conn->type, | |
04124681 GP |
2473 | conn->dst_type, 0, NULL, 0, |
2474 | conn->dev_class); | |
392599b9 | 2475 | |
127178d2 | 2476 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe JH |
2477 | conn->state = BT_CONNECTED; |
2478 | hci_proto_connect_cfm(conn, ev->status); | |
76a68ba0 | 2479 | hci_conn_drop(conn); |
769be974 | 2480 | } |
a9de9248 | 2481 | |
ccd556fe | 2482 | unlock: |
a9de9248 | 2483 | hci_dev_unlock(hdev); |
1da177e4 LT |
2484 | } |
2485 | ||
6039aa73 | 2486 | static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
2487 | { |
2488 | struct hci_ev_cmd_complete *ev = (void *) skb->data; | |
9238f36a | 2489 | u8 status = skb->data[sizeof(*ev)]; |
a9de9248 MH |
2490 | __u16 opcode; |
2491 | ||
2492 | skb_pull(skb, sizeof(*ev)); | |
2493 | ||
2494 | opcode = __le16_to_cpu(ev->opcode); | |
2495 | ||
2496 | switch (opcode) { | |
2497 | case HCI_OP_INQUIRY_CANCEL: | |
2498 | hci_cc_inquiry_cancel(hdev, skb); | |
2499 | break; | |
2500 | ||
4d93483b AG |
2501 | case HCI_OP_PERIODIC_INQ: |
2502 | hci_cc_periodic_inq(hdev, skb); | |
2503 | break; | |
2504 | ||
a9de9248 MH |
2505 | case HCI_OP_EXIT_PERIODIC_INQ: |
2506 | hci_cc_exit_periodic_inq(hdev, skb); | |
2507 | break; | |
2508 | ||
2509 | case HCI_OP_REMOTE_NAME_REQ_CANCEL: | |
2510 | hci_cc_remote_name_req_cancel(hdev, skb); | |
2511 | break; | |
2512 | ||
2513 | case HCI_OP_ROLE_DISCOVERY: | |
2514 | hci_cc_role_discovery(hdev, skb); | |
2515 | break; | |
2516 | ||
e4e8e37c MH |
2517 | case HCI_OP_READ_LINK_POLICY: |
2518 | hci_cc_read_link_policy(hdev, skb); | |
2519 | break; | |
2520 | ||
a9de9248 MH |
2521 | case HCI_OP_WRITE_LINK_POLICY: |
2522 | hci_cc_write_link_policy(hdev, skb); | |
2523 | break; | |
2524 | ||
e4e8e37c MH |
2525 | case HCI_OP_READ_DEF_LINK_POLICY: |
2526 | hci_cc_read_def_link_policy(hdev, skb); | |
2527 | break; | |
2528 | ||
2529 | case HCI_OP_WRITE_DEF_LINK_POLICY: | |
2530 | hci_cc_write_def_link_policy(hdev, skb); | |
2531 | break; | |
2532 | ||
a9de9248 MH |
2533 | case HCI_OP_RESET: |
2534 | hci_cc_reset(hdev, skb); | |
2535 | break; | |
2536 | ||
2537 | case HCI_OP_WRITE_LOCAL_NAME: | |
2538 | hci_cc_write_local_name(hdev, skb); | |
2539 | break; | |
2540 | ||
2541 | case HCI_OP_READ_LOCAL_NAME: | |
2542 | hci_cc_read_local_name(hdev, skb); | |
2543 | break; | |
2544 | ||
2545 | case HCI_OP_WRITE_AUTH_ENABLE: | |
2546 | hci_cc_write_auth_enable(hdev, skb); | |
2547 | break; | |
2548 | ||
2549 | case HCI_OP_WRITE_ENCRYPT_MODE: | |
2550 | hci_cc_write_encrypt_mode(hdev, skb); | |
2551 | break; | |
2552 | ||
2553 | case HCI_OP_WRITE_SCAN_ENABLE: | |
2554 | hci_cc_write_scan_enable(hdev, skb); | |
2555 | break; | |
2556 | ||
2557 | case HCI_OP_READ_CLASS_OF_DEV: | |
2558 | hci_cc_read_class_of_dev(hdev, skb); | |
2559 | break; | |
2560 | ||
2561 | case HCI_OP_WRITE_CLASS_OF_DEV: | |
2562 | hci_cc_write_class_of_dev(hdev, skb); | |
2563 | break; | |
2564 | ||
2565 | case HCI_OP_READ_VOICE_SETTING: | |
2566 | hci_cc_read_voice_setting(hdev, skb); | |
2567 | break; | |
2568 | ||
2569 | case HCI_OP_WRITE_VOICE_SETTING: | |
2570 | hci_cc_write_voice_setting(hdev, skb); | |
2571 | break; | |
2572 | ||
b4cb9fb2 MH |
2573 | case HCI_OP_READ_NUM_SUPPORTED_IAC: |
2574 | hci_cc_read_num_supported_iac(hdev, skb); | |
2575 | break; | |
2576 | ||
333140b5 MH |
2577 | case HCI_OP_WRITE_SSP_MODE: |
2578 | hci_cc_write_ssp_mode(hdev, skb); | |
2579 | break; | |
2580 | ||
eac83dc6 MH |
2581 | case HCI_OP_WRITE_SC_SUPPORT: |
2582 | hci_cc_write_sc_support(hdev, skb); | |
2583 | break; | |
2584 | ||
a9de9248 MH |
2585 | case HCI_OP_READ_LOCAL_VERSION: |
2586 | hci_cc_read_local_version(hdev, skb); | |
2587 | break; | |
2588 | ||
2589 | case HCI_OP_READ_LOCAL_COMMANDS: | |
2590 | hci_cc_read_local_commands(hdev, skb); | |
2591 | break; | |
2592 | ||
2593 | case HCI_OP_READ_LOCAL_FEATURES: | |
2594 | hci_cc_read_local_features(hdev, skb); | |
2595 | break; | |
2596 | ||
971e3a4b AG |
2597 | case HCI_OP_READ_LOCAL_EXT_FEATURES: |
2598 | hci_cc_read_local_ext_features(hdev, skb); | |
2599 | break; | |
2600 | ||
a9de9248 MH |
2601 | case HCI_OP_READ_BUFFER_SIZE: |
2602 | hci_cc_read_buffer_size(hdev, skb); | |
2603 | break; | |
2604 | ||
2605 | case HCI_OP_READ_BD_ADDR: | |
2606 | hci_cc_read_bd_addr(hdev, skb); | |
2607 | break; | |
2608 | ||
f332ec66 JH |
2609 | case HCI_OP_READ_PAGE_SCAN_ACTIVITY: |
2610 | hci_cc_read_page_scan_activity(hdev, skb); | |
2611 | break; | |
2612 | ||
4a3ee763 JH |
2613 | case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY: |
2614 | hci_cc_write_page_scan_activity(hdev, skb); | |
2615 | break; | |
2616 | ||
f332ec66 JH |
2617 | case HCI_OP_READ_PAGE_SCAN_TYPE: |
2618 | hci_cc_read_page_scan_type(hdev, skb); | |
2619 | break; | |
2620 | ||
4a3ee763 JH |
2621 | case HCI_OP_WRITE_PAGE_SCAN_TYPE: |
2622 | hci_cc_write_page_scan_type(hdev, skb); | |
2623 | break; | |
2624 | ||
350ee4cf AE |
2625 | case HCI_OP_READ_DATA_BLOCK_SIZE: |
2626 | hci_cc_read_data_block_size(hdev, skb); | |
2627 | break; | |
2628 | ||
1e89cffb AE |
2629 | case HCI_OP_READ_FLOW_CONTROL_MODE: |
2630 | hci_cc_read_flow_control_mode(hdev, skb); | |
2631 | break; | |
2632 | ||
928abaa7 AE |
2633 | case HCI_OP_READ_LOCAL_AMP_INFO: |
2634 | hci_cc_read_local_amp_info(hdev, skb); | |
2635 | break; | |
2636 | ||
33f35721 JH |
2637 | case HCI_OP_READ_CLOCK: |
2638 | hci_cc_read_clock(hdev, skb); | |
2639 | break; | |
2640 | ||
903e4541 AE |
2641 | case HCI_OP_READ_LOCAL_AMP_ASSOC: |
2642 | hci_cc_read_local_amp_assoc(hdev, skb); | |
2643 | break; | |
2644 | ||
d5859e22 JH |
2645 | case HCI_OP_READ_INQ_RSP_TX_POWER: |
2646 | hci_cc_read_inq_rsp_tx_power(hdev, skb); | |
2647 | break; | |
2648 | ||
980e1a53 JH |
2649 | case HCI_OP_PIN_CODE_REPLY: |
2650 | hci_cc_pin_code_reply(hdev, skb); | |
2651 | break; | |
2652 | ||
2653 | case HCI_OP_PIN_CODE_NEG_REPLY: | |
2654 | hci_cc_pin_code_neg_reply(hdev, skb); | |
2655 | break; | |
2656 | ||
c35938b2 | 2657 | case HCI_OP_READ_LOCAL_OOB_DATA: |
4d2d2796 MH |
2658 | hci_cc_read_local_oob_data(hdev, skb); |
2659 | break; | |
2660 | ||
2661 | case HCI_OP_READ_LOCAL_OOB_EXT_DATA: | |
2662 | hci_cc_read_local_oob_ext_data(hdev, skb); | |
c35938b2 SJ |
2663 | break; |
2664 | ||
6ed58ec5 VT |
2665 | case HCI_OP_LE_READ_BUFFER_SIZE: |
2666 | hci_cc_le_read_buffer_size(hdev, skb); | |
2667 | break; | |
2668 | ||
60e77321 JH |
2669 | case HCI_OP_LE_READ_LOCAL_FEATURES: |
2670 | hci_cc_le_read_local_features(hdev, skb); | |
2671 | break; | |
2672 | ||
8fa19098 JH |
2673 | case HCI_OP_LE_READ_ADV_TX_POWER: |
2674 | hci_cc_le_read_adv_tx_power(hdev, skb); | |
2675 | break; | |
2676 | ||
a5c29683 JH |
2677 | case HCI_OP_USER_CONFIRM_REPLY: |
2678 | hci_cc_user_confirm_reply(hdev, skb); | |
2679 | break; | |
2680 | ||
2681 | case HCI_OP_USER_CONFIRM_NEG_REPLY: | |
2682 | hci_cc_user_confirm_neg_reply(hdev, skb); | |
2683 | break; | |
2684 | ||
1143d458 BG |
2685 | case HCI_OP_USER_PASSKEY_REPLY: |
2686 | hci_cc_user_passkey_reply(hdev, skb); | |
2687 | break; | |
2688 | ||
2689 | case HCI_OP_USER_PASSKEY_NEG_REPLY: | |
2690 | hci_cc_user_passkey_neg_reply(hdev, skb); | |
16cde993 | 2691 | break; |
07f7fa5d | 2692 | |
7a4cd51d MH |
2693 | case HCI_OP_LE_SET_RANDOM_ADDR: |
2694 | hci_cc_le_set_random_addr(hdev, skb); | |
2695 | break; | |
2696 | ||
c1d5dc4a JH |
2697 | case HCI_OP_LE_SET_ADV_ENABLE: |
2698 | hci_cc_le_set_adv_enable(hdev, skb); | |
2699 | break; | |
2700 | ||
533553f8 MH |
2701 | case HCI_OP_LE_SET_SCAN_PARAM: |
2702 | hci_cc_le_set_scan_param(hdev, skb); | |
2703 | break; | |
2704 | ||
eb9d91f5 AG |
2705 | case HCI_OP_LE_SET_SCAN_ENABLE: |
2706 | hci_cc_le_set_scan_enable(hdev, skb); | |
2707 | break; | |
2708 | ||
cf1d081f JH |
2709 | case HCI_OP_LE_READ_WHITE_LIST_SIZE: |
2710 | hci_cc_le_read_white_list_size(hdev, skb); | |
2711 | break; | |
2712 | ||
0f36b589 MH |
2713 | case HCI_OP_LE_CLEAR_WHITE_LIST: |
2714 | hci_cc_le_clear_white_list(hdev, skb); | |
2715 | break; | |
2716 | ||
2717 | case HCI_OP_LE_ADD_TO_WHITE_LIST: | |
2718 | hci_cc_le_add_to_white_list(hdev, skb); | |
2719 | break; | |
2720 | ||
2721 | case HCI_OP_LE_DEL_FROM_WHITE_LIST: | |
2722 | hci_cc_le_del_from_white_list(hdev, skb); | |
2723 | break; | |
2724 | ||
9b008c04 JH |
2725 | case HCI_OP_LE_READ_SUPPORTED_STATES: |
2726 | hci_cc_le_read_supported_states(hdev, skb); | |
2727 | break; | |
2728 | ||
f9b49306 AG |
2729 | case HCI_OP_WRITE_LE_HOST_SUPPORTED: |
2730 | hci_cc_write_le_host_supported(hdev, skb); | |
2731 | break; | |
2732 | ||
56ed2cb8 JH |
2733 | case HCI_OP_LE_SET_ADV_PARAM: |
2734 | hci_cc_set_adv_param(hdev, skb); | |
2735 | break; | |
2736 | ||
93c284ee AE |
2737 | case HCI_OP_WRITE_REMOTE_AMP_ASSOC: |
2738 | hci_cc_write_remote_amp_assoc(hdev, skb); | |
2739 | break; | |
2740 | ||
5ae76a94 AK |
2741 | case HCI_OP_READ_RSSI: |
2742 | hci_cc_read_rssi(hdev, skb); | |
2743 | break; | |
2744 | ||
5a134fae AK |
2745 | case HCI_OP_READ_TX_POWER: |
2746 | hci_cc_read_tx_power(hdev, skb); | |
2747 | break; | |
2748 | ||
a9de9248 | 2749 | default: |
9f1db00c | 2750 | BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); |
a9de9248 MH |
2751 | break; |
2752 | } | |
2753 | ||
ad82cdd1 | 2754 | if (opcode != HCI_OP_NOP) |
65cc2b49 | 2755 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 2756 | |
ad82cdd1 | 2757 | hci_req_cmd_complete(hdev, opcode, status); |
9238f36a | 2758 | |
dbccd791 | 2759 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) { |
a9de9248 MH |
2760 | atomic_set(&hdev->cmd_cnt, 1); |
2761 | if (!skb_queue_empty(&hdev->cmd_q)) | |
c347b765 | 2762 | queue_work(hdev->workqueue, &hdev->cmd_work); |
a9de9248 MH |
2763 | } |
2764 | } | |
2765 | ||
6039aa73 | 2766 | static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
2767 | { |
2768 | struct hci_ev_cmd_status *ev = (void *) skb->data; | |
2769 | __u16 opcode; | |
2770 | ||
2771 | skb_pull(skb, sizeof(*ev)); | |
2772 | ||
2773 | opcode = __le16_to_cpu(ev->opcode); | |
2774 | ||
2775 | switch (opcode) { | |
2776 | case HCI_OP_INQUIRY: | |
2777 | hci_cs_inquiry(hdev, ev->status); | |
2778 | break; | |
2779 | ||
2780 | case HCI_OP_CREATE_CONN: | |
2781 | hci_cs_create_conn(hdev, ev->status); | |
2782 | break; | |
2783 | ||
2784 | case HCI_OP_ADD_SCO: | |
2785 | hci_cs_add_sco(hdev, ev->status); | |
2786 | break; | |
2787 | ||
f8558555 MH |
2788 | case HCI_OP_AUTH_REQUESTED: |
2789 | hci_cs_auth_requested(hdev, ev->status); | |
2790 | break; | |
2791 | ||
2792 | case HCI_OP_SET_CONN_ENCRYPT: | |
2793 | hci_cs_set_conn_encrypt(hdev, ev->status); | |
2794 | break; | |
2795 | ||
a9de9248 MH |
2796 | case HCI_OP_REMOTE_NAME_REQ: |
2797 | hci_cs_remote_name_req(hdev, ev->status); | |
2798 | break; | |
2799 | ||
769be974 MH |
2800 | case HCI_OP_READ_REMOTE_FEATURES: |
2801 | hci_cs_read_remote_features(hdev, ev->status); | |
2802 | break; | |
2803 | ||
2804 | case HCI_OP_READ_REMOTE_EXT_FEATURES: | |
2805 | hci_cs_read_remote_ext_features(hdev, ev->status); | |
2806 | break; | |
2807 | ||
a9de9248 MH |
2808 | case HCI_OP_SETUP_SYNC_CONN: |
2809 | hci_cs_setup_sync_conn(hdev, ev->status); | |
2810 | break; | |
2811 | ||
2812 | case HCI_OP_SNIFF_MODE: | |
2813 | hci_cs_sniff_mode(hdev, ev->status); | |
2814 | break; | |
2815 | ||
2816 | case HCI_OP_EXIT_SNIFF_MODE: | |
2817 | hci_cs_exit_sniff_mode(hdev, ev->status); | |
2818 | break; | |
2819 | ||
8962ee74 | 2820 | case HCI_OP_DISCONNECT: |
88c3df13 | 2821 | hci_cs_disconnect(hdev, ev->status); |
8962ee74 JH |
2822 | break; |
2823 | ||
a02226d6 AE |
2824 | case HCI_OP_CREATE_PHY_LINK: |
2825 | hci_cs_create_phylink(hdev, ev->status); | |
2826 | break; | |
2827 | ||
0b26ab9d AE |
2828 | case HCI_OP_ACCEPT_PHY_LINK: |
2829 | hci_cs_accept_phylink(hdev, ev->status); | |
2830 | break; | |
2831 | ||
cb1d68f7 JH |
2832 | case HCI_OP_LE_CREATE_CONN: |
2833 | hci_cs_le_create_conn(hdev, ev->status); | |
2834 | break; | |
2835 | ||
81d0c8ad JH |
2836 | case HCI_OP_LE_START_ENC: |
2837 | hci_cs_le_start_enc(hdev, ev->status); | |
2838 | break; | |
2839 | ||
a9de9248 | 2840 | default: |
9f1db00c | 2841 | BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); |
a9de9248 MH |
2842 | break; |
2843 | } | |
2844 | ||
ad82cdd1 | 2845 | if (opcode != HCI_OP_NOP) |
65cc2b49 | 2846 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 2847 | |
02350a72 JH |
2848 | if (ev->status || |
2849 | (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event)) | |
2850 | hci_req_cmd_complete(hdev, opcode, ev->status); | |
9238f36a | 2851 | |
10572132 | 2852 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) { |
a9de9248 MH |
2853 | atomic_set(&hdev->cmd_cnt, 1); |
2854 | if (!skb_queue_empty(&hdev->cmd_q)) | |
c347b765 | 2855 | queue_work(hdev->workqueue, &hdev->cmd_work); |
a9de9248 MH |
2856 | } |
2857 | } | |
2858 | ||
6039aa73 | 2859 | static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
2860 | { |
2861 | struct hci_ev_role_change *ev = (void *) skb->data; | |
2862 | struct hci_conn *conn; | |
2863 | ||
9f1db00c | 2864 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 MH |
2865 | |
2866 | hci_dev_lock(hdev); | |
2867 | ||
2868 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
2869 | if (conn) { | |
2870 | if (!ev->status) { | |
2871 | if (ev->role) | |
4dae2798 | 2872 | clear_bit(HCI_CONN_MASTER, &conn->flags); |
a9de9248 | 2873 | else |
4dae2798 | 2874 | set_bit(HCI_CONN_MASTER, &conn->flags); |
a9de9248 MH |
2875 | } |
2876 | ||
51a8efd7 | 2877 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); |
a9de9248 MH |
2878 | |
2879 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
2880 | } | |
2881 | ||
2882 | hci_dev_unlock(hdev); | |
2883 | } | |
2884 | ||
6039aa73 | 2885 | static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
2886 | { |
2887 | struct hci_ev_num_comp_pkts *ev = (void *) skb->data; | |
a9de9248 MH |
2888 | int i; |
2889 | ||
32ac5b9b AE |
2890 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { |
2891 | BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode); | |
2892 | return; | |
2893 | } | |
2894 | ||
c5993de8 | 2895 | if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + |
807deac2 | 2896 | ev->num_hndl * sizeof(struct hci_comp_pkts_info)) { |
a9de9248 MH |
2897 | BT_DBG("%s bad parameters", hdev->name); |
2898 | return; | |
2899 | } | |
2900 | ||
c5993de8 AE |
2901 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); |
2902 | ||
613a1c0c AE |
2903 | for (i = 0; i < ev->num_hndl; i++) { |
2904 | struct hci_comp_pkts_info *info = &ev->handles[i]; | |
a9de9248 MH |
2905 | struct hci_conn *conn; |
2906 | __u16 handle, count; | |
2907 | ||
613a1c0c AE |
2908 | handle = __le16_to_cpu(info->handle); |
2909 | count = __le16_to_cpu(info->count); | |
a9de9248 MH |
2910 | |
2911 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
f4280918 AE |
2912 | if (!conn) |
2913 | continue; | |
2914 | ||
2915 | conn->sent -= count; | |
2916 | ||
2917 | switch (conn->type) { | |
2918 | case ACL_LINK: | |
2919 | hdev->acl_cnt += count; | |
2920 | if (hdev->acl_cnt > hdev->acl_pkts) | |
2921 | hdev->acl_cnt = hdev->acl_pkts; | |
2922 | break; | |
2923 | ||
2924 | case LE_LINK: | |
2925 | if (hdev->le_pkts) { | |
2926 | hdev->le_cnt += count; | |
2927 | if (hdev->le_cnt > hdev->le_pkts) | |
2928 | hdev->le_cnt = hdev->le_pkts; | |
2929 | } else { | |
70f23020 AE |
2930 | hdev->acl_cnt += count; |
2931 | if (hdev->acl_cnt > hdev->acl_pkts) | |
a9de9248 | 2932 | hdev->acl_cnt = hdev->acl_pkts; |
a9de9248 | 2933 | } |
f4280918 AE |
2934 | break; |
2935 | ||
2936 | case SCO_LINK: | |
2937 | hdev->sco_cnt += count; | |
2938 | if (hdev->sco_cnt > hdev->sco_pkts) | |
2939 | hdev->sco_cnt = hdev->sco_pkts; | |
2940 | break; | |
2941 | ||
2942 | default: | |
2943 | BT_ERR("Unknown type %d conn %p", conn->type, conn); | |
2944 | break; | |
a9de9248 MH |
2945 | } |
2946 | } | |
2947 | ||
3eff45ea | 2948 | queue_work(hdev->workqueue, &hdev->tx_work); |
a9de9248 MH |
2949 | } |
2950 | ||
76ef7cf7 AE |
2951 | static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev, |
2952 | __u16 handle) | |
2953 | { | |
2954 | struct hci_chan *chan; | |
2955 | ||
2956 | switch (hdev->dev_type) { | |
2957 | case HCI_BREDR: | |
2958 | return hci_conn_hash_lookup_handle(hdev, handle); | |
2959 | case HCI_AMP: | |
2960 | chan = hci_chan_lookup_handle(hdev, handle); | |
2961 | if (chan) | |
2962 | return chan->conn; | |
2963 | break; | |
2964 | default: | |
2965 | BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type); | |
2966 | break; | |
2967 | } | |
2968 | ||
2969 | return NULL; | |
2970 | } | |
2971 | ||
6039aa73 | 2972 | static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) |
25e89e99 AE |
2973 | { |
2974 | struct hci_ev_num_comp_blocks *ev = (void *) skb->data; | |
2975 | int i; | |
2976 | ||
2977 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) { | |
2978 | BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode); | |
2979 | return; | |
2980 | } | |
2981 | ||
2982 | if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + | |
807deac2 | 2983 | ev->num_hndl * sizeof(struct hci_comp_blocks_info)) { |
25e89e99 AE |
2984 | BT_DBG("%s bad parameters", hdev->name); |
2985 | return; | |
2986 | } | |
2987 | ||
2988 | BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks, | |
807deac2 | 2989 | ev->num_hndl); |
25e89e99 AE |
2990 | |
2991 | for (i = 0; i < ev->num_hndl; i++) { | |
2992 | struct hci_comp_blocks_info *info = &ev->handles[i]; | |
76ef7cf7 | 2993 | struct hci_conn *conn = NULL; |
25e89e99 AE |
2994 | __u16 handle, block_count; |
2995 | ||
2996 | handle = __le16_to_cpu(info->handle); | |
2997 | block_count = __le16_to_cpu(info->blocks); | |
2998 | ||
76ef7cf7 | 2999 | conn = __hci_conn_lookup_handle(hdev, handle); |
25e89e99 AE |
3000 | if (!conn) |
3001 | continue; | |
3002 | ||
3003 | conn->sent -= block_count; | |
3004 | ||
3005 | switch (conn->type) { | |
3006 | case ACL_LINK: | |
bd1eb66b | 3007 | case AMP_LINK: |
25e89e99 AE |
3008 | hdev->block_cnt += block_count; |
3009 | if (hdev->block_cnt > hdev->num_blocks) | |
3010 | hdev->block_cnt = hdev->num_blocks; | |
3011 | break; | |
3012 | ||
3013 | default: | |
3014 | BT_ERR("Unknown type %d conn %p", conn->type, conn); | |
3015 | break; | |
3016 | } | |
3017 | } | |
3018 | ||
3019 | queue_work(hdev->workqueue, &hdev->tx_work); | |
3020 | } | |
3021 | ||
6039aa73 | 3022 | static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 3023 | { |
a9de9248 | 3024 | struct hci_ev_mode_change *ev = (void *) skb->data; |
04837f64 MH |
3025 | struct hci_conn *conn; |
3026 | ||
9f1db00c | 3027 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
3028 | |
3029 | hci_dev_lock(hdev); | |
3030 | ||
3031 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
a9de9248 MH |
3032 | if (conn) { |
3033 | conn->mode = ev->mode; | |
a9de9248 | 3034 | |
8fc9ced3 GP |
3035 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, |
3036 | &conn->flags)) { | |
a9de9248 | 3037 | if (conn->mode == HCI_CM_ACTIVE) |
58a681ef | 3038 | set_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3039 | else |
58a681ef | 3040 | clear_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3041 | } |
e73439d8 | 3042 | |
51a8efd7 | 3043 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 | 3044 | hci_sco_setup(conn, ev->status); |
04837f64 MH |
3045 | } |
3046 | ||
3047 | hci_dev_unlock(hdev); | |
3048 | } | |
3049 | ||
6039aa73 | 3050 | static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3051 | { |
052b30b0 MH |
3052 | struct hci_ev_pin_code_req *ev = (void *) skb->data; |
3053 | struct hci_conn *conn; | |
3054 | ||
a9de9248 | 3055 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3056 | |
3057 | hci_dev_lock(hdev); | |
3058 | ||
3059 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
b6f98044 WR |
3060 | if (!conn) |
3061 | goto unlock; | |
3062 | ||
3063 | if (conn->state == BT_CONNECTED) { | |
052b30b0 MH |
3064 | hci_conn_hold(conn); |
3065 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
76a68ba0 | 3066 | hci_conn_drop(conn); |
052b30b0 MH |
3067 | } |
3068 | ||
a8b2d5c2 | 3069 | if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags)) |
03b555e1 | 3070 | hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
807deac2 | 3071 | sizeof(ev->bdaddr), &ev->bdaddr); |
a8b2d5c2 | 3072 | else if (test_bit(HCI_MGMT, &hdev->dev_flags)) { |
a770bb5a WR |
3073 | u8 secure; |
3074 | ||
3075 | if (conn->pending_sec_level == BT_SECURITY_HIGH) | |
3076 | secure = 1; | |
3077 | else | |
3078 | secure = 0; | |
3079 | ||
744cf19e | 3080 | mgmt_pin_code_request(hdev, &ev->bdaddr, secure); |
a770bb5a | 3081 | } |
980e1a53 | 3082 | |
b6f98044 | 3083 | unlock: |
052b30b0 | 3084 | hci_dev_unlock(hdev); |
a9de9248 MH |
3085 | } |
3086 | ||
6039aa73 | 3087 | static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3088 | { |
55ed8ca1 JH |
3089 | struct hci_ev_link_key_req *ev = (void *) skb->data; |
3090 | struct hci_cp_link_key_reply cp; | |
3091 | struct hci_conn *conn; | |
3092 | struct link_key *key; | |
3093 | ||
a9de9248 | 3094 | BT_DBG("%s", hdev->name); |
55ed8ca1 | 3095 | |
034cbea0 | 3096 | if (!test_bit(HCI_MGMT, &hdev->dev_flags)) |
55ed8ca1 JH |
3097 | return; |
3098 | ||
3099 | hci_dev_lock(hdev); | |
3100 | ||
3101 | key = hci_find_link_key(hdev, &ev->bdaddr); | |
3102 | if (!key) { | |
6ed93dc6 AE |
3103 | BT_DBG("%s link key not found for %pMR", hdev->name, |
3104 | &ev->bdaddr); | |
55ed8ca1 JH |
3105 | goto not_found; |
3106 | } | |
3107 | ||
6ed93dc6 AE |
3108 | BT_DBG("%s found key type %u for %pMR", hdev->name, key->type, |
3109 | &ev->bdaddr); | |
55ed8ca1 | 3110 | |
55ed8ca1 | 3111 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
60b83f57 | 3112 | if (conn) { |
66138ce8 MH |
3113 | if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 || |
3114 | key->type == HCI_LK_UNAUTH_COMBINATION_P256) && | |
807deac2 | 3115 | conn->auth_type != 0xff && (conn->auth_type & 0x01)) { |
60b83f57 WR |
3116 | BT_DBG("%s ignoring unauthenticated key", hdev->name); |
3117 | goto not_found; | |
3118 | } | |
55ed8ca1 | 3119 | |
60b83f57 | 3120 | if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 && |
f3fb0b58 JH |
3121 | (conn->pending_sec_level == BT_SECURITY_HIGH || |
3122 | conn->pending_sec_level == BT_SECURITY_FIPS)) { | |
8fc9ced3 GP |
3123 | BT_DBG("%s ignoring key unauthenticated for high security", |
3124 | hdev->name); | |
60b83f57 WR |
3125 | goto not_found; |
3126 | } | |
3127 | ||
3128 | conn->key_type = key->type; | |
3129 | conn->pin_length = key->pin_len; | |
55ed8ca1 JH |
3130 | } |
3131 | ||
3132 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9b3b4460 | 3133 | memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE); |
55ed8ca1 JH |
3134 | |
3135 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp); | |
3136 | ||
3137 | hci_dev_unlock(hdev); | |
3138 | ||
3139 | return; | |
3140 | ||
3141 | not_found: | |
3142 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr); | |
3143 | hci_dev_unlock(hdev); | |
a9de9248 MH |
3144 | } |
3145 | ||
6039aa73 | 3146 | static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3147 | { |
052b30b0 MH |
3148 | struct hci_ev_link_key_notify *ev = (void *) skb->data; |
3149 | struct hci_conn *conn; | |
7652ff6a JH |
3150 | struct link_key *key; |
3151 | bool persistent; | |
55ed8ca1 | 3152 | u8 pin_len = 0; |
052b30b0 | 3153 | |
a9de9248 | 3154 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3155 | |
3156 | hci_dev_lock(hdev); | |
3157 | ||
3158 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
3159 | if (conn) { | |
3160 | hci_conn_hold(conn); | |
3161 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
980e1a53 | 3162 | pin_len = conn->pin_length; |
13d39315 WR |
3163 | |
3164 | if (ev->key_type != HCI_LK_CHANGED_COMBINATION) | |
3165 | conn->key_type = ev->key_type; | |
3166 | ||
76a68ba0 | 3167 | hci_conn_drop(conn); |
052b30b0 MH |
3168 | } |
3169 | ||
7652ff6a JH |
3170 | if (!test_bit(HCI_MGMT, &hdev->dev_flags)) |
3171 | goto unlock; | |
3172 | ||
3173 | key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key, | |
3174 | ev->key_type, pin_len, &persistent); | |
3175 | if (!key) | |
3176 | goto unlock; | |
3177 | ||
3178 | mgmt_new_link_key(hdev, key, persistent); | |
55ed8ca1 | 3179 | |
6d5650c4 JH |
3180 | /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag |
3181 | * is set. If it's not set simply remove the key from the kernel | |
3182 | * list (we've still notified user space about it but with | |
3183 | * store_hint being 0). | |
3184 | */ | |
3185 | if (key->type == HCI_LK_DEBUG_COMBINATION && | |
3186 | !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) { | |
3187 | list_del(&key->list); | |
3188 | kfree(key); | |
3189 | } else if (conn) { | |
af6a9c32 JH |
3190 | if (persistent) |
3191 | clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
3192 | else | |
3193 | set_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
6d5650c4 | 3194 | } |
7652ff6a JH |
3195 | |
3196 | unlock: | |
052b30b0 | 3197 | hci_dev_unlock(hdev); |
a9de9248 MH |
3198 | } |
3199 | ||
6039aa73 | 3200 | static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 3201 | { |
a9de9248 | 3202 | struct hci_ev_clock_offset *ev = (void *) skb->data; |
04837f64 | 3203 | struct hci_conn *conn; |
1da177e4 | 3204 | |
9f1db00c | 3205 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
3206 | |
3207 | hci_dev_lock(hdev); | |
3208 | ||
04837f64 | 3209 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
3210 | if (conn && !ev->status) { |
3211 | struct inquiry_entry *ie; | |
3212 | ||
cc11b9c1 AE |
3213 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
3214 | if (ie) { | |
1da177e4 LT |
3215 | ie->data.clock_offset = ev->clock_offset; |
3216 | ie->timestamp = jiffies; | |
3217 | } | |
3218 | } | |
3219 | ||
3220 | hci_dev_unlock(hdev); | |
3221 | } | |
3222 | ||
6039aa73 | 3223 | static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a8746417 MH |
3224 | { |
3225 | struct hci_ev_pkt_type_change *ev = (void *) skb->data; | |
3226 | struct hci_conn *conn; | |
3227 | ||
9f1db00c | 3228 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a8746417 MH |
3229 | |
3230 | hci_dev_lock(hdev); | |
3231 | ||
3232 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
3233 | if (conn && !ev->status) | |
3234 | conn->pkt_type = __le16_to_cpu(ev->pkt_type); | |
3235 | ||
3236 | hci_dev_unlock(hdev); | |
3237 | } | |
3238 | ||
6039aa73 | 3239 | static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) |
85a1e930 | 3240 | { |
a9de9248 | 3241 | struct hci_ev_pscan_rep_mode *ev = (void *) skb->data; |
85a1e930 MH |
3242 | struct inquiry_entry *ie; |
3243 | ||
3244 | BT_DBG("%s", hdev->name); | |
3245 | ||
3246 | hci_dev_lock(hdev); | |
3247 | ||
cc11b9c1 AE |
3248 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
3249 | if (ie) { | |
85a1e930 MH |
3250 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; |
3251 | ie->timestamp = jiffies; | |
3252 | } | |
3253 | ||
3254 | hci_dev_unlock(hdev); | |
3255 | } | |
3256 | ||
6039aa73 GP |
3257 | static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, |
3258 | struct sk_buff *skb) | |
a9de9248 MH |
3259 | { |
3260 | struct inquiry_data data; | |
3261 | int num_rsp = *((__u8 *) skb->data); | |
3262 | ||
3263 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
3264 | ||
3265 | if (!num_rsp) | |
3266 | return; | |
3267 | ||
1519cc17 AG |
3268 | if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) |
3269 | return; | |
3270 | ||
a9de9248 MH |
3271 | hci_dev_lock(hdev); |
3272 | ||
3273 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
138d22ef SJ |
3274 | struct inquiry_info_with_rssi_and_pscan_mode *info; |
3275 | info = (void *) (skb->data + 1); | |
a9de9248 | 3276 | |
e17acd40 | 3277 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3278 | u32 flags; |
3279 | ||
a9de9248 MH |
3280 | bacpy(&data.bdaddr, &info->bdaddr); |
3281 | data.pscan_rep_mode = info->pscan_rep_mode; | |
3282 | data.pscan_period_mode = info->pscan_period_mode; | |
3283 | data.pscan_mode = info->pscan_mode; | |
3284 | memcpy(data.dev_class, info->dev_class, 3); | |
3285 | data.clock_offset = info->clock_offset; | |
3286 | data.rssi = info->rssi; | |
41a96212 | 3287 | data.ssp_mode = 0x00; |
3175405b | 3288 | |
af58925c MH |
3289 | flags = hci_inquiry_cache_update(hdev, &data, false); |
3290 | ||
48264f06 | 3291 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 3292 | info->dev_class, info->rssi, |
af58925c | 3293 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
3294 | } |
3295 | } else { | |
3296 | struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); | |
3297 | ||
e17acd40 | 3298 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3299 | u32 flags; |
3300 | ||
a9de9248 MH |
3301 | bacpy(&data.bdaddr, &info->bdaddr); |
3302 | data.pscan_rep_mode = info->pscan_rep_mode; | |
3303 | data.pscan_period_mode = info->pscan_period_mode; | |
3304 | data.pscan_mode = 0x00; | |
3305 | memcpy(data.dev_class, info->dev_class, 3); | |
3306 | data.clock_offset = info->clock_offset; | |
3307 | data.rssi = info->rssi; | |
41a96212 | 3308 | data.ssp_mode = 0x00; |
af58925c MH |
3309 | |
3310 | flags = hci_inquiry_cache_update(hdev, &data, false); | |
3311 | ||
48264f06 | 3312 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 3313 | info->dev_class, info->rssi, |
af58925c | 3314 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
3315 | } |
3316 | } | |
3317 | ||
3318 | hci_dev_unlock(hdev); | |
3319 | } | |
3320 | ||
6039aa73 GP |
3321 | static void hci_remote_ext_features_evt(struct hci_dev *hdev, |
3322 | struct sk_buff *skb) | |
a9de9248 | 3323 | { |
41a96212 MH |
3324 | struct hci_ev_remote_ext_features *ev = (void *) skb->data; |
3325 | struct hci_conn *conn; | |
3326 | ||
a9de9248 | 3327 | BT_DBG("%s", hdev->name); |
41a96212 | 3328 | |
41a96212 MH |
3329 | hci_dev_lock(hdev); |
3330 | ||
3331 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
3332 | if (!conn) |
3333 | goto unlock; | |
41a96212 | 3334 | |
cad718ed JH |
3335 | if (ev->page < HCI_MAX_PAGES) |
3336 | memcpy(conn->features[ev->page], ev->features, 8); | |
3337 | ||
ccd556fe JH |
3338 | if (!ev->status && ev->page == 0x01) { |
3339 | struct inquiry_entry *ie; | |
41a96212 | 3340 | |
cc11b9c1 AE |
3341 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
3342 | if (ie) | |
02b7cc62 | 3343 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
769be974 | 3344 | |
bbb0eada | 3345 | if (ev->features[0] & LMP_HOST_SSP) { |
58a681ef | 3346 | set_bit(HCI_CONN_SSP_ENABLED, &conn->flags); |
bbb0eada JK |
3347 | } else { |
3348 | /* It is mandatory by the Bluetooth specification that | |
3349 | * Extended Inquiry Results are only used when Secure | |
3350 | * Simple Pairing is enabled, but some devices violate | |
3351 | * this. | |
3352 | * | |
3353 | * To make these devices work, the internal SSP | |
3354 | * enabled flag needs to be cleared if the remote host | |
3355 | * features do not indicate SSP support */ | |
3356 | clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags); | |
3357 | } | |
eb9a8f3f MH |
3358 | |
3359 | if (ev->features[0] & LMP_HOST_SC) | |
3360 | set_bit(HCI_CONN_SC_ENABLED, &conn->flags); | |
ccd556fe JH |
3361 | } |
3362 | ||
3363 | if (conn->state != BT_CONFIG) | |
3364 | goto unlock; | |
3365 | ||
671267bf | 3366 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
3367 | struct hci_cp_remote_name_req cp; |
3368 | memset(&cp, 0, sizeof(cp)); | |
3369 | bacpy(&cp.bdaddr, &conn->dst); | |
3370 | cp.pscan_rep_mode = 0x02; | |
3371 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 JH |
3372 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
3373 | mgmt_device_connected(hdev, &conn->dst, conn->type, | |
04124681 GP |
3374 | conn->dst_type, 0, NULL, 0, |
3375 | conn->dev_class); | |
392599b9 | 3376 | |
127178d2 | 3377 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe JH |
3378 | conn->state = BT_CONNECTED; |
3379 | hci_proto_connect_cfm(conn, ev->status); | |
76a68ba0 | 3380 | hci_conn_drop(conn); |
41a96212 MH |
3381 | } |
3382 | ||
ccd556fe | 3383 | unlock: |
41a96212 | 3384 | hci_dev_unlock(hdev); |
a9de9248 MH |
3385 | } |
3386 | ||
6039aa73 GP |
3387 | static void hci_sync_conn_complete_evt(struct hci_dev *hdev, |
3388 | struct sk_buff *skb) | |
a9de9248 | 3389 | { |
b6a0dc82 MH |
3390 | struct hci_ev_sync_conn_complete *ev = (void *) skb->data; |
3391 | struct hci_conn *conn; | |
3392 | ||
9f1db00c | 3393 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
b6a0dc82 MH |
3394 | |
3395 | hci_dev_lock(hdev); | |
3396 | ||
3397 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9dc0a3af MH |
3398 | if (!conn) { |
3399 | if (ev->link_type == ESCO_LINK) | |
3400 | goto unlock; | |
3401 | ||
3402 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); | |
3403 | if (!conn) | |
3404 | goto unlock; | |
3405 | ||
3406 | conn->type = SCO_LINK; | |
3407 | } | |
b6a0dc82 | 3408 | |
732547f9 MH |
3409 | switch (ev->status) { |
3410 | case 0x00: | |
b6a0dc82 MH |
3411 | conn->handle = __le16_to_cpu(ev->handle); |
3412 | conn->state = BT_CONNECTED; | |
7d0db0a3 MH |
3413 | |
3414 | hci_conn_add_sysfs(conn); | |
732547f9 MH |
3415 | break; |
3416 | ||
81218d20 | 3417 | case 0x10: /* Connection Accept Timeout */ |
1a4c958c | 3418 | case 0x0d: /* Connection Rejected due to Limited Resources */ |
705e5711 | 3419 | case 0x11: /* Unsupported Feature or Parameter Value */ |
732547f9 | 3420 | case 0x1c: /* SCO interval rejected */ |
1038a00b | 3421 | case 0x1a: /* Unsupported Remote Feature */ |
732547f9 | 3422 | case 0x1f: /* Unspecified error */ |
27539bc4 | 3423 | case 0x20: /* Unsupported LMP Parameter value */ |
2dea632f | 3424 | if (conn->out) { |
732547f9 MH |
3425 | conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | |
3426 | (hdev->esco_type & EDR_ESCO_MASK); | |
2dea632f FD |
3427 | if (hci_setup_sync(conn, conn->link->handle)) |
3428 | goto unlock; | |
732547f9 MH |
3429 | } |
3430 | /* fall through */ | |
3431 | ||
3432 | default: | |
b6a0dc82 | 3433 | conn->state = BT_CLOSED; |
732547f9 MH |
3434 | break; |
3435 | } | |
b6a0dc82 MH |
3436 | |
3437 | hci_proto_connect_cfm(conn, ev->status); | |
3438 | if (ev->status) | |
3439 | hci_conn_del(conn); | |
3440 | ||
3441 | unlock: | |
3442 | hci_dev_unlock(hdev); | |
a9de9248 MH |
3443 | } |
3444 | ||
efdcf8e3 MH |
3445 | static inline size_t eir_get_length(u8 *eir, size_t eir_len) |
3446 | { | |
3447 | size_t parsed = 0; | |
3448 | ||
3449 | while (parsed < eir_len) { | |
3450 | u8 field_len = eir[0]; | |
3451 | ||
3452 | if (field_len == 0) | |
3453 | return parsed; | |
3454 | ||
3455 | parsed += field_len + 1; | |
3456 | eir += field_len + 1; | |
3457 | } | |
3458 | ||
3459 | return eir_len; | |
3460 | } | |
3461 | ||
6039aa73 GP |
3462 | static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, |
3463 | struct sk_buff *skb) | |
1da177e4 | 3464 | { |
a9de9248 MH |
3465 | struct inquiry_data data; |
3466 | struct extended_inquiry_info *info = (void *) (skb->data + 1); | |
3467 | int num_rsp = *((__u8 *) skb->data); | |
9d939d94 | 3468 | size_t eir_len; |
1da177e4 | 3469 | |
a9de9248 | 3470 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
1da177e4 | 3471 | |
a9de9248 MH |
3472 | if (!num_rsp) |
3473 | return; | |
1da177e4 | 3474 | |
1519cc17 AG |
3475 | if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) |
3476 | return; | |
3477 | ||
a9de9248 MH |
3478 | hci_dev_lock(hdev); |
3479 | ||
e17acd40 | 3480 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3481 | u32 flags; |
3482 | bool name_known; | |
561aafbc | 3483 | |
a9de9248 | 3484 | bacpy(&data.bdaddr, &info->bdaddr); |
138d22ef SJ |
3485 | data.pscan_rep_mode = info->pscan_rep_mode; |
3486 | data.pscan_period_mode = info->pscan_period_mode; | |
3487 | data.pscan_mode = 0x00; | |
a9de9248 | 3488 | memcpy(data.dev_class, info->dev_class, 3); |
138d22ef SJ |
3489 | data.clock_offset = info->clock_offset; |
3490 | data.rssi = info->rssi; | |
41a96212 | 3491 | data.ssp_mode = 0x01; |
561aafbc | 3492 | |
a8b2d5c2 | 3493 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
4ddb1930 | 3494 | name_known = eir_has_data_type(info->data, |
04124681 GP |
3495 | sizeof(info->data), |
3496 | EIR_NAME_COMPLETE); | |
561aafbc JH |
3497 | else |
3498 | name_known = true; | |
3499 | ||
af58925c MH |
3500 | flags = hci_inquiry_cache_update(hdev, &data, name_known); |
3501 | ||
9d939d94 | 3502 | eir_len = eir_get_length(info->data, sizeof(info->data)); |
af58925c | 3503 | |
48264f06 | 3504 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
af58925c MH |
3505 | info->dev_class, info->rssi, |
3506 | flags, info->data, eir_len, NULL, 0); | |
a9de9248 MH |
3507 | } |
3508 | ||
3509 | hci_dev_unlock(hdev); | |
3510 | } | |
1da177e4 | 3511 | |
1c2e0041 JH |
3512 | static void hci_key_refresh_complete_evt(struct hci_dev *hdev, |
3513 | struct sk_buff *skb) | |
3514 | { | |
3515 | struct hci_ev_key_refresh_complete *ev = (void *) skb->data; | |
3516 | struct hci_conn *conn; | |
3517 | ||
9f1db00c | 3518 | BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status, |
1c2e0041 JH |
3519 | __le16_to_cpu(ev->handle)); |
3520 | ||
3521 | hci_dev_lock(hdev); | |
3522 | ||
3523 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
3524 | if (!conn) | |
3525 | goto unlock; | |
3526 | ||
9eb1fbfa JH |
3527 | /* For BR/EDR the necessary steps are taken through the |
3528 | * auth_complete event. | |
3529 | */ | |
3530 | if (conn->type != LE_LINK) | |
3531 | goto unlock; | |
3532 | ||
1c2e0041 JH |
3533 | if (!ev->status) |
3534 | conn->sec_level = conn->pending_sec_level; | |
3535 | ||
3536 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); | |
3537 | ||
3538 | if (ev->status && conn->state == BT_CONNECTED) { | |
bed71748 | 3539 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
76a68ba0 | 3540 | hci_conn_drop(conn); |
1c2e0041 JH |
3541 | goto unlock; |
3542 | } | |
3543 | ||
3544 | if (conn->state == BT_CONFIG) { | |
3545 | if (!ev->status) | |
3546 | conn->state = BT_CONNECTED; | |
3547 | ||
3548 | hci_proto_connect_cfm(conn, ev->status); | |
76a68ba0 | 3549 | hci_conn_drop(conn); |
1c2e0041 JH |
3550 | } else { |
3551 | hci_auth_cfm(conn, ev->status); | |
3552 | ||
3553 | hci_conn_hold(conn); | |
3554 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 3555 | hci_conn_drop(conn); |
1c2e0041 JH |
3556 | } |
3557 | ||
3558 | unlock: | |
3559 | hci_dev_unlock(hdev); | |
3560 | } | |
3561 | ||
6039aa73 | 3562 | static u8 hci_get_auth_req(struct hci_conn *conn) |
17fa4b9d | 3563 | { |
17fa4b9d | 3564 | /* If remote requests no-bonding follow that lead */ |
acabae96 MA |
3565 | if (conn->remote_auth == HCI_AT_NO_BONDING || |
3566 | conn->remote_auth == HCI_AT_NO_BONDING_MITM) | |
58797bf7 | 3567 | return conn->remote_auth | (conn->auth_type & 0x01); |
17fa4b9d | 3568 | |
b7f94c88 MA |
3569 | /* If both remote and local have enough IO capabilities, require |
3570 | * MITM protection | |
3571 | */ | |
3572 | if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT && | |
3573 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT) | |
3574 | return conn->remote_auth | 0x01; | |
3575 | ||
7e74170a TM |
3576 | /* No MITM protection possible so ignore remote requirement */ |
3577 | return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01); | |
17fa4b9d JH |
3578 | } |
3579 | ||
6039aa73 | 3580 | static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
0493684e MH |
3581 | { |
3582 | struct hci_ev_io_capa_request *ev = (void *) skb->data; | |
3583 | struct hci_conn *conn; | |
3584 | ||
3585 | BT_DBG("%s", hdev->name); | |
3586 | ||
3587 | hci_dev_lock(hdev); | |
3588 | ||
3589 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
03b555e1 JH |
3590 | if (!conn) |
3591 | goto unlock; | |
3592 | ||
3593 | hci_conn_hold(conn); | |
3594 | ||
a8b2d5c2 | 3595 | if (!test_bit(HCI_MGMT, &hdev->dev_flags)) |
03b555e1 JH |
3596 | goto unlock; |
3597 | ||
a8b2d5c2 | 3598 | if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) || |
807deac2 | 3599 | (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) { |
17fa4b9d JH |
3600 | struct hci_cp_io_capability_reply cp; |
3601 | ||
3602 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
7a7f1e7c HG |
3603 | /* Change the IO capability from KeyboardDisplay |
3604 | * to DisplayYesNo as it is not supported by BT spec. */ | |
3605 | cp.capability = (conn->io_capability == 0x04) ? | |
a767631a | 3606 | HCI_IO_DISPLAY_YESNO : conn->io_capability; |
b7f94c88 MA |
3607 | |
3608 | /* If we are initiators, there is no remote information yet */ | |
3609 | if (conn->remote_auth == 0xff) { | |
3610 | cp.authentication = conn->auth_type; | |
6fd6b915 | 3611 | |
b16c6604 | 3612 | /* Request MITM protection if our IO caps allow it |
4ad51a75 JH |
3613 | * except for the no-bonding case. |
3614 | * conn->auth_type is not updated here since | |
3615 | * that might cause the user confirmation to be | |
3616 | * rejected in case the remote doesn't have the | |
3617 | * IO capabilities for MITM. | |
b16c6604 | 3618 | */ |
6fd6b915 | 3619 | if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
b16c6604 | 3620 | cp.authentication != HCI_AT_NO_BONDING) |
6fd6b915 | 3621 | cp.authentication |= 0x01; |
b7f94c88 MA |
3622 | } else { |
3623 | conn->auth_type = hci_get_auth_req(conn); | |
3624 | cp.authentication = conn->auth_type; | |
3625 | } | |
17fa4b9d | 3626 | |
8fc9ced3 GP |
3627 | if (hci_find_remote_oob_data(hdev, &conn->dst) && |
3628 | (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags))) | |
ce85ee13 SJ |
3629 | cp.oob_data = 0x01; |
3630 | else | |
3631 | cp.oob_data = 0x00; | |
3632 | ||
17fa4b9d | 3633 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY, |
807deac2 | 3634 | sizeof(cp), &cp); |
03b555e1 JH |
3635 | } else { |
3636 | struct hci_cp_io_capability_neg_reply cp; | |
3637 | ||
3638 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9f5a0d7b | 3639 | cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED; |
0493684e | 3640 | |
03b555e1 | 3641 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY, |
807deac2 | 3642 | sizeof(cp), &cp); |
03b555e1 JH |
3643 | } |
3644 | ||
3645 | unlock: | |
3646 | hci_dev_unlock(hdev); | |
3647 | } | |
3648 | ||
6039aa73 | 3649 | static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb) |
03b555e1 JH |
3650 | { |
3651 | struct hci_ev_io_capa_reply *ev = (void *) skb->data; | |
3652 | struct hci_conn *conn; | |
3653 | ||
3654 | BT_DBG("%s", hdev->name); | |
3655 | ||
3656 | hci_dev_lock(hdev); | |
3657 | ||
3658 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
3659 | if (!conn) | |
3660 | goto unlock; | |
3661 | ||
03b555e1 | 3662 | conn->remote_cap = ev->capability; |
03b555e1 | 3663 | conn->remote_auth = ev->authentication; |
58a681ef JH |
3664 | if (ev->oob_data) |
3665 | set_bit(HCI_CONN_REMOTE_OOB, &conn->flags); | |
03b555e1 JH |
3666 | |
3667 | unlock: | |
0493684e MH |
3668 | hci_dev_unlock(hdev); |
3669 | } | |
3670 | ||
6039aa73 GP |
3671 | static void hci_user_confirm_request_evt(struct hci_dev *hdev, |
3672 | struct sk_buff *skb) | |
a5c29683 JH |
3673 | { |
3674 | struct hci_ev_user_confirm_req *ev = (void *) skb->data; | |
55bc1a37 | 3675 | int loc_mitm, rem_mitm, confirm_hint = 0; |
7a828908 | 3676 | struct hci_conn *conn; |
a5c29683 JH |
3677 | |
3678 | BT_DBG("%s", hdev->name); | |
3679 | ||
3680 | hci_dev_lock(hdev); | |
3681 | ||
a8b2d5c2 | 3682 | if (!test_bit(HCI_MGMT, &hdev->dev_flags)) |
7a828908 | 3683 | goto unlock; |
a5c29683 | 3684 | |
7a828908 JH |
3685 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
3686 | if (!conn) | |
3687 | goto unlock; | |
3688 | ||
3689 | loc_mitm = (conn->auth_type & 0x01); | |
3690 | rem_mitm = (conn->remote_auth & 0x01); | |
3691 | ||
3692 | /* If we require MITM but the remote device can't provide that | |
6fd6b915 MA |
3693 | * (it has NoInputNoOutput) then reject the confirmation request |
3694 | */ | |
3695 | if (loc_mitm && conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) { | |
7a828908 JH |
3696 | BT_DBG("Rejecting request: remote device can't provide MITM"); |
3697 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY, | |
807deac2 | 3698 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
3699 | goto unlock; |
3700 | } | |
3701 | ||
3702 | /* If no side requires MITM protection; auto-accept */ | |
a767631a MA |
3703 | if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) && |
3704 | (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) { | |
55bc1a37 JH |
3705 | |
3706 | /* If we're not the initiators request authorization to | |
3707 | * proceed from user space (mgmt_user_confirm with | |
ba15a58b JH |
3708 | * confirm_hint set to 1). The exception is if neither |
3709 | * side had MITM in which case we do auto-accept. | |
3710 | */ | |
3711 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && | |
3712 | (loc_mitm || rem_mitm)) { | |
55bc1a37 JH |
3713 | BT_DBG("Confirming auto-accept as acceptor"); |
3714 | confirm_hint = 1; | |
3715 | goto confirm; | |
3716 | } | |
3717 | ||
9f61656a | 3718 | BT_DBG("Auto-accept of user confirmation with %ums delay", |
807deac2 | 3719 | hdev->auto_accept_delay); |
9f61656a JH |
3720 | |
3721 | if (hdev->auto_accept_delay > 0) { | |
3722 | int delay = msecs_to_jiffies(hdev->auto_accept_delay); | |
7bc18d9d JH |
3723 | queue_delayed_work(conn->hdev->workqueue, |
3724 | &conn->auto_accept_work, delay); | |
9f61656a JH |
3725 | goto unlock; |
3726 | } | |
3727 | ||
7a828908 | 3728 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, |
807deac2 | 3729 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
3730 | goto unlock; |
3731 | } | |
3732 | ||
55bc1a37 | 3733 | confirm: |
39adbffe JH |
3734 | mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, |
3735 | le32_to_cpu(ev->passkey), confirm_hint); | |
7a828908 JH |
3736 | |
3737 | unlock: | |
a5c29683 JH |
3738 | hci_dev_unlock(hdev); |
3739 | } | |
3740 | ||
6039aa73 GP |
3741 | static void hci_user_passkey_request_evt(struct hci_dev *hdev, |
3742 | struct sk_buff *skb) | |
1143d458 BG |
3743 | { |
3744 | struct hci_ev_user_passkey_req *ev = (void *) skb->data; | |
3745 | ||
3746 | BT_DBG("%s", hdev->name); | |
3747 | ||
a8b2d5c2 | 3748 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) |
272d90df | 3749 | mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0); |
1143d458 BG |
3750 | } |
3751 | ||
92a25256 JH |
3752 | static void hci_user_passkey_notify_evt(struct hci_dev *hdev, |
3753 | struct sk_buff *skb) | |
3754 | { | |
3755 | struct hci_ev_user_passkey_notify *ev = (void *) skb->data; | |
3756 | struct hci_conn *conn; | |
3757 | ||
3758 | BT_DBG("%s", hdev->name); | |
3759 | ||
3760 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
3761 | if (!conn) | |
3762 | return; | |
3763 | ||
3764 | conn->passkey_notify = __le32_to_cpu(ev->passkey); | |
3765 | conn->passkey_entered = 0; | |
3766 | ||
3767 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) | |
3768 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, | |
3769 | conn->dst_type, conn->passkey_notify, | |
3770 | conn->passkey_entered); | |
3771 | } | |
3772 | ||
3773 | static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
3774 | { | |
3775 | struct hci_ev_keypress_notify *ev = (void *) skb->data; | |
3776 | struct hci_conn *conn; | |
3777 | ||
3778 | BT_DBG("%s", hdev->name); | |
3779 | ||
3780 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
3781 | if (!conn) | |
3782 | return; | |
3783 | ||
3784 | switch (ev->type) { | |
3785 | case HCI_KEYPRESS_STARTED: | |
3786 | conn->passkey_entered = 0; | |
3787 | return; | |
3788 | ||
3789 | case HCI_KEYPRESS_ENTERED: | |
3790 | conn->passkey_entered++; | |
3791 | break; | |
3792 | ||
3793 | case HCI_KEYPRESS_ERASED: | |
3794 | conn->passkey_entered--; | |
3795 | break; | |
3796 | ||
3797 | case HCI_KEYPRESS_CLEARED: | |
3798 | conn->passkey_entered = 0; | |
3799 | break; | |
3800 | ||
3801 | case HCI_KEYPRESS_COMPLETED: | |
3802 | return; | |
3803 | } | |
3804 | ||
3805 | if (test_bit(HCI_MGMT, &hdev->dev_flags)) | |
3806 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, | |
3807 | conn->dst_type, conn->passkey_notify, | |
3808 | conn->passkey_entered); | |
3809 | } | |
3810 | ||
6039aa73 GP |
3811 | static void hci_simple_pair_complete_evt(struct hci_dev *hdev, |
3812 | struct sk_buff *skb) | |
0493684e MH |
3813 | { |
3814 | struct hci_ev_simple_pair_complete *ev = (void *) skb->data; | |
3815 | struct hci_conn *conn; | |
3816 | ||
3817 | BT_DBG("%s", hdev->name); | |
3818 | ||
3819 | hci_dev_lock(hdev); | |
3820 | ||
3821 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
2a611692 JH |
3822 | if (!conn) |
3823 | goto unlock; | |
3824 | ||
3825 | /* To avoid duplicate auth_failed events to user space we check | |
3826 | * the HCI_CONN_AUTH_PEND flag which will be set if we | |
3827 | * initiated the authentication. A traditional auth_complete | |
3828 | * event gets always produced as initiator and is also mapped to | |
3829 | * the mgmt_auth_failed event */ | |
fa1bd918 | 3830 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status) |
bab73cb6 | 3831 | mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type, |
04124681 | 3832 | ev->status); |
0493684e | 3833 | |
76a68ba0 | 3834 | hci_conn_drop(conn); |
2a611692 JH |
3835 | |
3836 | unlock: | |
0493684e MH |
3837 | hci_dev_unlock(hdev); |
3838 | } | |
3839 | ||
6039aa73 GP |
3840 | static void hci_remote_host_features_evt(struct hci_dev *hdev, |
3841 | struct sk_buff *skb) | |
41a96212 MH |
3842 | { |
3843 | struct hci_ev_remote_host_features *ev = (void *) skb->data; | |
3844 | struct inquiry_entry *ie; | |
cad718ed | 3845 | struct hci_conn *conn; |
41a96212 MH |
3846 | |
3847 | BT_DBG("%s", hdev->name); | |
3848 | ||
3849 | hci_dev_lock(hdev); | |
3850 | ||
cad718ed JH |
3851 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
3852 | if (conn) | |
3853 | memcpy(conn->features[1], ev->features, 8); | |
3854 | ||
cc11b9c1 AE |
3855 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
3856 | if (ie) | |
02b7cc62 | 3857 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
41a96212 MH |
3858 | |
3859 | hci_dev_unlock(hdev); | |
3860 | } | |
3861 | ||
6039aa73 GP |
3862 | static void hci_remote_oob_data_request_evt(struct hci_dev *hdev, |
3863 | struct sk_buff *skb) | |
2763eda6 SJ |
3864 | { |
3865 | struct hci_ev_remote_oob_data_request *ev = (void *) skb->data; | |
3866 | struct oob_data *data; | |
3867 | ||
3868 | BT_DBG("%s", hdev->name); | |
3869 | ||
3870 | hci_dev_lock(hdev); | |
3871 | ||
a8b2d5c2 | 3872 | if (!test_bit(HCI_MGMT, &hdev->dev_flags)) |
e1ba1f15 SJ |
3873 | goto unlock; |
3874 | ||
2763eda6 SJ |
3875 | data = hci_find_remote_oob_data(hdev, &ev->bdaddr); |
3876 | if (data) { | |
519ca9d0 MH |
3877 | if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) { |
3878 | struct hci_cp_remote_oob_ext_data_reply cp; | |
2763eda6 | 3879 | |
519ca9d0 MH |
3880 | bacpy(&cp.bdaddr, &ev->bdaddr); |
3881 | memcpy(cp.hash192, data->hash192, sizeof(cp.hash192)); | |
3882 | memcpy(cp.randomizer192, data->randomizer192, | |
3883 | sizeof(cp.randomizer192)); | |
3884 | memcpy(cp.hash256, data->hash256, sizeof(cp.hash256)); | |
3885 | memcpy(cp.randomizer256, data->randomizer256, | |
3886 | sizeof(cp.randomizer256)); | |
3887 | ||
3888 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY, | |
3889 | sizeof(cp), &cp); | |
3890 | } else { | |
3891 | struct hci_cp_remote_oob_data_reply cp; | |
2763eda6 | 3892 | |
519ca9d0 MH |
3893 | bacpy(&cp.bdaddr, &ev->bdaddr); |
3894 | memcpy(cp.hash, data->hash192, sizeof(cp.hash)); | |
3895 | memcpy(cp.randomizer, data->randomizer192, | |
3896 | sizeof(cp.randomizer)); | |
3897 | ||
3898 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, | |
3899 | sizeof(cp), &cp); | |
3900 | } | |
2763eda6 SJ |
3901 | } else { |
3902 | struct hci_cp_remote_oob_data_neg_reply cp; | |
3903 | ||
3904 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
519ca9d0 MH |
3905 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, |
3906 | sizeof(cp), &cp); | |
2763eda6 SJ |
3907 | } |
3908 | ||
e1ba1f15 | 3909 | unlock: |
2763eda6 SJ |
3910 | hci_dev_unlock(hdev); |
3911 | } | |
3912 | ||
d5e91192 AE |
3913 | static void hci_phy_link_complete_evt(struct hci_dev *hdev, |
3914 | struct sk_buff *skb) | |
3915 | { | |
3916 | struct hci_ev_phy_link_complete *ev = (void *) skb->data; | |
3917 | struct hci_conn *hcon, *bredr_hcon; | |
3918 | ||
3919 | BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle, | |
3920 | ev->status); | |
3921 | ||
3922 | hci_dev_lock(hdev); | |
3923 | ||
3924 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
3925 | if (!hcon) { | |
3926 | hci_dev_unlock(hdev); | |
3927 | return; | |
3928 | } | |
3929 | ||
3930 | if (ev->status) { | |
3931 | hci_conn_del(hcon); | |
3932 | hci_dev_unlock(hdev); | |
3933 | return; | |
3934 | } | |
3935 | ||
3936 | bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon; | |
3937 | ||
3938 | hcon->state = BT_CONNECTED; | |
3939 | bacpy(&hcon->dst, &bredr_hcon->dst); | |
3940 | ||
3941 | hci_conn_hold(hcon); | |
3942 | hcon->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 3943 | hci_conn_drop(hcon); |
d5e91192 | 3944 | |
d5e91192 AE |
3945 | hci_conn_add_sysfs(hcon); |
3946 | ||
cf70ff22 | 3947 | amp_physical_cfm(bredr_hcon, hcon); |
d5e91192 | 3948 | |
cf70ff22 | 3949 | hci_dev_unlock(hdev); |
d5e91192 AE |
3950 | } |
3951 | ||
27695fb4 AE |
3952 | static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
3953 | { | |
3954 | struct hci_ev_logical_link_complete *ev = (void *) skb->data; | |
3955 | struct hci_conn *hcon; | |
3956 | struct hci_chan *hchan; | |
3957 | struct amp_mgr *mgr; | |
3958 | ||
3959 | BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x", | |
3960 | hdev->name, le16_to_cpu(ev->handle), ev->phy_handle, | |
3961 | ev->status); | |
3962 | ||
3963 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
3964 | if (!hcon) | |
3965 | return; | |
3966 | ||
3967 | /* Create AMP hchan */ | |
3968 | hchan = hci_chan_create(hcon); | |
3969 | if (!hchan) | |
3970 | return; | |
3971 | ||
3972 | hchan->handle = le16_to_cpu(ev->handle); | |
3973 | ||
3974 | BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan); | |
3975 | ||
3976 | mgr = hcon->amp_mgr; | |
3977 | if (mgr && mgr->bredr_chan) { | |
3978 | struct l2cap_chan *bredr_chan = mgr->bredr_chan; | |
3979 | ||
3980 | l2cap_chan_lock(bredr_chan); | |
3981 | ||
3982 | bredr_chan->conn->mtu = hdev->block_mtu; | |
3983 | l2cap_logical_cfm(bredr_chan, hchan, 0); | |
3984 | hci_conn_hold(hcon); | |
3985 | ||
3986 | l2cap_chan_unlock(bredr_chan); | |
3987 | } | |
3988 | } | |
3989 | ||
606e2a10 AE |
3990 | static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev, |
3991 | struct sk_buff *skb) | |
3992 | { | |
3993 | struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data; | |
3994 | struct hci_chan *hchan; | |
3995 | ||
3996 | BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name, | |
3997 | le16_to_cpu(ev->handle), ev->status); | |
3998 | ||
3999 | if (ev->status) | |
4000 | return; | |
4001 | ||
4002 | hci_dev_lock(hdev); | |
4003 | ||
4004 | hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle)); | |
4005 | if (!hchan) | |
4006 | goto unlock; | |
4007 | ||
4008 | amp_destroy_logical_link(hchan, ev->reason); | |
4009 | ||
4010 | unlock: | |
4011 | hci_dev_unlock(hdev); | |
4012 | } | |
4013 | ||
9eef6b3a AE |
4014 | static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev, |
4015 | struct sk_buff *skb) | |
4016 | { | |
4017 | struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data; | |
4018 | struct hci_conn *hcon; | |
4019 | ||
4020 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
4021 | ||
4022 | if (ev->status) | |
4023 | return; | |
4024 | ||
4025 | hci_dev_lock(hdev); | |
4026 | ||
4027 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4028 | if (hcon) { | |
4029 | hcon->state = BT_CLOSED; | |
4030 | hci_conn_del(hcon); | |
4031 | } | |
4032 | ||
4033 | hci_dev_unlock(hdev); | |
4034 | } | |
4035 | ||
6039aa73 | 4036 | static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
fcd89c09 VT |
4037 | { |
4038 | struct hci_ev_le_conn_complete *ev = (void *) skb->data; | |
4039 | struct hci_conn *conn; | |
68d6f6de | 4040 | struct smp_irk *irk; |
fcd89c09 | 4041 | |
9f1db00c | 4042 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
fcd89c09 VT |
4043 | |
4044 | hci_dev_lock(hdev); | |
4045 | ||
b47a09b3 | 4046 | conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT); |
b62f328b VT |
4047 | if (!conn) { |
4048 | conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr); | |
4049 | if (!conn) { | |
4050 | BT_ERR("No memory for new connection"); | |
230fd16a | 4051 | goto unlock; |
b62f328b | 4052 | } |
29b7988a AG |
4053 | |
4054 | conn->dst_type = ev->bdaddr_type; | |
b9b343d2 AG |
4055 | |
4056 | if (ev->role == LE_CONN_ROLE_MASTER) { | |
4057 | conn->out = true; | |
4dae2798 | 4058 | set_bit(HCI_CONN_MASTER, &conn->flags); |
b9b343d2 | 4059 | } |
cb1d68f7 JH |
4060 | |
4061 | /* If we didn't have a hci_conn object previously | |
4062 | * but we're in master role this must be something | |
4063 | * initiated using a white list. Since white list based | |
4064 | * connections are not "first class citizens" we don't | |
4065 | * have full tracking of them. Therefore, we go ahead | |
4066 | * with a "best effort" approach of determining the | |
4067 | * initiator address based on the HCI_PRIVACY flag. | |
4068 | */ | |
4069 | if (conn->out) { | |
4070 | conn->resp_addr_type = ev->bdaddr_type; | |
4071 | bacpy(&conn->resp_addr, &ev->bdaddr); | |
4072 | if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) { | |
4073 | conn->init_addr_type = ADDR_LE_DEV_RANDOM; | |
4074 | bacpy(&conn->init_addr, &hdev->rpa); | |
4075 | } else { | |
4076 | hci_copy_identity_address(hdev, | |
4077 | &conn->init_addr, | |
4078 | &conn->init_addr_type); | |
4079 | } | |
cb1d68f7 | 4080 | } |
9489eca4 JH |
4081 | } else { |
4082 | cancel_delayed_work(&conn->le_conn_timeout); | |
b62f328b | 4083 | } |
fcd89c09 | 4084 | |
80c24ab8 JH |
4085 | if (!conn->out) { |
4086 | /* Set the responder (our side) address type based on | |
4087 | * the advertising address type. | |
4088 | */ | |
4089 | conn->resp_addr_type = hdev->adv_addr_type; | |
4090 | if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM) | |
4091 | bacpy(&conn->resp_addr, &hdev->random_addr); | |
4092 | else | |
4093 | bacpy(&conn->resp_addr, &hdev->bdaddr); | |
4094 | ||
4095 | conn->init_addr_type = ev->bdaddr_type; | |
4096 | bacpy(&conn->init_addr, &ev->bdaddr); | |
a720d735 MH |
4097 | |
4098 | /* For incoming connections, set the default minimum | |
4099 | * and maximum connection interval. They will be used | |
4100 | * to check if the parameters are in range and if not | |
4101 | * trigger the connection update procedure. | |
4102 | */ | |
4103 | conn->le_conn_min_interval = hdev->le_conn_min_interval; | |
4104 | conn->le_conn_max_interval = hdev->le_conn_max_interval; | |
80c24ab8 | 4105 | } |
7be2edbb | 4106 | |
edb4b466 MH |
4107 | /* Lookup the identity address from the stored connection |
4108 | * address and address type. | |
4109 | * | |
4110 | * When establishing connections to an identity address, the | |
4111 | * connection procedure will store the resolvable random | |
4112 | * address first. Now if it can be converted back into the | |
4113 | * identity address, start using the identity address from | |
4114 | * now on. | |
4115 | */ | |
4116 | irk = hci_get_irk(hdev, &conn->dst, conn->dst_type); | |
68d6f6de JH |
4117 | if (irk) { |
4118 | bacpy(&conn->dst, &irk->bdaddr); | |
4119 | conn->dst_type = irk->addr_type; | |
4120 | } | |
4121 | ||
cd17decb | 4122 | if (ev->status) { |
06c053fb | 4123 | hci_le_conn_failed(conn, ev->status); |
cd17decb AG |
4124 | goto unlock; |
4125 | } | |
4126 | ||
b644ba33 | 4127 | if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
01fdb0fc | 4128 | mgmt_device_connected(hdev, &conn->dst, conn->type, |
04124681 | 4129 | conn->dst_type, 0, NULL, 0, NULL); |
83bc71b4 | 4130 | |
7b5c0d52 | 4131 | conn->sec_level = BT_SECURITY_LOW; |
fcd89c09 VT |
4132 | conn->handle = __le16_to_cpu(ev->handle); |
4133 | conn->state = BT_CONNECTED; | |
4134 | ||
e04fde60 MH |
4135 | conn->le_conn_interval = le16_to_cpu(ev->interval); |
4136 | conn->le_conn_latency = le16_to_cpu(ev->latency); | |
4137 | conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout); | |
4138 | ||
fcd89c09 VT |
4139 | hci_conn_add_sysfs(conn); |
4140 | ||
4141 | hci_proto_connect_cfm(conn, ev->status); | |
4142 | ||
a4790dbd AG |
4143 | hci_pend_le_conn_del(hdev, &conn->dst, conn->dst_type); |
4144 | ||
fcd89c09 VT |
4145 | unlock: |
4146 | hci_dev_unlock(hdev); | |
4147 | } | |
4148 | ||
1855d92d MH |
4149 | static void hci_le_conn_update_complete_evt(struct hci_dev *hdev, |
4150 | struct sk_buff *skb) | |
4151 | { | |
4152 | struct hci_ev_le_conn_update_complete *ev = (void *) skb->data; | |
4153 | struct hci_conn *conn; | |
4154 | ||
4155 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
4156 | ||
4157 | if (ev->status) | |
4158 | return; | |
4159 | ||
4160 | hci_dev_lock(hdev); | |
4161 | ||
4162 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4163 | if (conn) { | |
4164 | conn->le_conn_interval = le16_to_cpu(ev->interval); | |
4165 | conn->le_conn_latency = le16_to_cpu(ev->latency); | |
4166 | conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout); | |
4167 | } | |
4168 | ||
4169 | hci_dev_unlock(hdev); | |
4170 | } | |
4171 | ||
a4790dbd AG |
4172 | /* This function requires the caller holds hdev->lock */ |
4173 | static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr, | |
4174 | u8 addr_type) | |
4175 | { | |
4176 | struct hci_conn *conn; | |
5b906a84 AG |
4177 | struct smp_irk *irk; |
4178 | ||
4179 | /* If this is a resolvable address, we should resolve it and then | |
4180 | * update address and address type variables. | |
4181 | */ | |
4182 | irk = hci_get_irk(hdev, addr, addr_type); | |
4183 | if (irk) { | |
4184 | addr = &irk->bdaddr; | |
4185 | addr_type = irk->addr_type; | |
4186 | } | |
a4790dbd AG |
4187 | |
4188 | if (!hci_pend_le_conn_lookup(hdev, addr, addr_type)) | |
4189 | return; | |
4190 | ||
4191 | conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, | |
4192 | HCI_AT_NO_BONDING); | |
4193 | if (!IS_ERR(conn)) | |
4194 | return; | |
4195 | ||
4196 | switch (PTR_ERR(conn)) { | |
4197 | case -EBUSY: | |
4198 | /* If hci_connect() returns -EBUSY it means there is already | |
4199 | * an LE connection attempt going on. Since controllers don't | |
4200 | * support more than one connection attempt at the time, we | |
4201 | * don't consider this an error case. | |
4202 | */ | |
4203 | break; | |
4204 | default: | |
4205 | BT_DBG("Failed to connect: err %ld", PTR_ERR(conn)); | |
4206 | } | |
4207 | } | |
4208 | ||
4af605d8 JH |
4209 | static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, |
4210 | u8 bdaddr_type, s8 rssi, u8 *data, u8 len) | |
4211 | { | |
b9a6328f | 4212 | struct discovery_state *d = &hdev->discovery; |
474ee066 | 4213 | bool match; |
c70a7e4c | 4214 | u32 flags; |
b9a6328f | 4215 | |
ca5c4be7 JH |
4216 | /* Passive scanning shouldn't trigger any device found events */ |
4217 | if (hdev->le_scan_type == LE_SCAN_PASSIVE) { | |
4218 | if (type == LE_ADV_IND || type == LE_ADV_DIRECT_IND) | |
4219 | check_pending_le_conn(hdev, bdaddr, bdaddr_type); | |
4220 | return; | |
4221 | } | |
4af605d8 | 4222 | |
c70a7e4c MH |
4223 | /* When receiving non-connectable or scannable undirected |
4224 | * advertising reports, this means that the remote device is | |
4225 | * not connectable and then clearly indicate this in the | |
4226 | * device found event. | |
4227 | * | |
4228 | * When receiving a scan response, then there is no way to | |
4229 | * know if the remote device is connectable or not. However | |
4230 | * since scan responses are merged with a previously seen | |
4231 | * advertising report, the flags field from that report | |
4232 | * will be used. | |
4233 | * | |
4234 | * In the really unlikely case that a controller get confused | |
4235 | * and just sends a scan response event, then it is marked as | |
4236 | * not connectable as well. | |
4237 | */ | |
4238 | if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND || | |
4239 | type == LE_ADV_SCAN_RSP) | |
4240 | flags = MGMT_DEV_FOUND_NOT_CONNECTABLE; | |
4241 | else | |
4242 | flags = 0; | |
4243 | ||
b9a6328f JH |
4244 | /* If there's nothing pending either store the data from this |
4245 | * event or send an immediate device found event if the data | |
4246 | * should not be stored for later. | |
4247 | */ | |
4248 | if (!has_pending_adv_report(hdev)) { | |
4249 | /* If the report will trigger a SCAN_REQ store it for | |
4250 | * later merging. | |
4251 | */ | |
4252 | if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { | |
4253 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, | |
c70a7e4c | 4254 | rssi, flags, data, len); |
b9a6328f JH |
4255 | return; |
4256 | } | |
4257 | ||
4258 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, | |
c70a7e4c | 4259 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
4260 | return; |
4261 | } | |
4262 | ||
474ee066 JH |
4263 | /* Check if the pending report is for the same device as the new one */ |
4264 | match = (!bacmp(bdaddr, &d->last_adv_addr) && | |
4265 | bdaddr_type == d->last_adv_addr_type); | |
4266 | ||
b9a6328f JH |
4267 | /* If the pending data doesn't match this report or this isn't a |
4268 | * scan response (e.g. we got a duplicate ADV_IND) then force | |
4269 | * sending of the pending data. | |
4270 | */ | |
474ee066 JH |
4271 | if (type != LE_ADV_SCAN_RSP || !match) { |
4272 | /* Send out whatever is in the cache, but skip duplicates */ | |
4273 | if (!match) | |
4274 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ff5cd29f | 4275 | d->last_adv_addr_type, NULL, |
c70a7e4c | 4276 | d->last_adv_rssi, d->last_adv_flags, |
ff5cd29f | 4277 | d->last_adv_data, |
474ee066 | 4278 | d->last_adv_data_len, NULL, 0); |
b9a6328f JH |
4279 | |
4280 | /* If the new report will trigger a SCAN_REQ store it for | |
4281 | * later merging. | |
4282 | */ | |
4283 | if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { | |
4284 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, | |
c70a7e4c | 4285 | rssi, flags, data, len); |
b9a6328f JH |
4286 | return; |
4287 | } | |
4288 | ||
4289 | /* The advertising reports cannot be merged, so clear | |
4290 | * the pending report and send out a device found event. | |
4291 | */ | |
4292 | clear_pending_adv_report(hdev); | |
5c5b93e4 | 4293 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, |
c70a7e4c | 4294 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
4295 | return; |
4296 | } | |
4297 | ||
4298 | /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and | |
4299 | * the new event is a SCAN_RSP. We can therefore proceed with | |
4300 | * sending a merged device found event. | |
4301 | */ | |
4302 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
c70a7e4c | 4303 | d->last_adv_addr_type, NULL, rssi, d->last_adv_flags, |
42bd6a56 | 4304 | d->last_adv_data, d->last_adv_data_len, data, len); |
b9a6328f | 4305 | clear_pending_adv_report(hdev); |
4af605d8 JH |
4306 | } |
4307 | ||
6039aa73 | 4308 | static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) |
9aa04c91 | 4309 | { |
e95beb41 AG |
4310 | u8 num_reports = skb->data[0]; |
4311 | void *ptr = &skb->data[1]; | |
9aa04c91 | 4312 | |
a4790dbd AG |
4313 | hci_dev_lock(hdev); |
4314 | ||
e95beb41 AG |
4315 | while (num_reports--) { |
4316 | struct hci_ev_le_advertising_info *ev = ptr; | |
4af605d8 | 4317 | s8 rssi; |
a4790dbd | 4318 | |
3c9e9195 | 4319 | rssi = ev->data[ev->length]; |
4af605d8 JH |
4320 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, |
4321 | ev->bdaddr_type, rssi, ev->data, ev->length); | |
3c9e9195 | 4322 | |
e95beb41 | 4323 | ptr += sizeof(*ev) + ev->length + 1; |
9aa04c91 | 4324 | } |
a4790dbd AG |
4325 | |
4326 | hci_dev_unlock(hdev); | |
9aa04c91 AG |
4327 | } |
4328 | ||
6039aa73 | 4329 | static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a7a595f6 VCG |
4330 | { |
4331 | struct hci_ev_le_ltk_req *ev = (void *) skb->data; | |
4332 | struct hci_cp_le_ltk_reply cp; | |
bea710fe | 4333 | struct hci_cp_le_ltk_neg_reply neg; |
a7a595f6 | 4334 | struct hci_conn *conn; |
c9839a11 | 4335 | struct smp_ltk *ltk; |
a7a595f6 | 4336 | |
9f1db00c | 4337 | BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle)); |
a7a595f6 VCG |
4338 | |
4339 | hci_dev_lock(hdev); | |
4340 | ||
4341 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
bea710fe VCG |
4342 | if (conn == NULL) |
4343 | goto not_found; | |
a7a595f6 | 4344 | |
fe39c7b2 | 4345 | ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->out); |
bea710fe VCG |
4346 | if (ltk == NULL) |
4347 | goto not_found; | |
4348 | ||
4349 | memcpy(cp.ltk, ltk->val, sizeof(ltk->val)); | |
a7a595f6 | 4350 | cp.handle = cpu_to_le16(conn->handle); |
c9839a11 VCG |
4351 | |
4352 | if (ltk->authenticated) | |
f8776218 AG |
4353 | conn->pending_sec_level = BT_SECURITY_HIGH; |
4354 | else | |
4355 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
a7a595f6 | 4356 | |
89cbb4da | 4357 | conn->enc_key_size = ltk->enc_size; |
a7a595f6 VCG |
4358 | |
4359 | hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); | |
4360 | ||
5981a882 CT |
4361 | /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a |
4362 | * temporary key used to encrypt a connection following | |
4363 | * pairing. It is used during the Encrypted Session Setup to | |
4364 | * distribute the keys. Later, security can be re-established | |
4365 | * using a distributed LTK. | |
4366 | */ | |
2ceba539 | 4367 | if (ltk->type == SMP_STK) { |
fe59a05f | 4368 | set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); |
c9839a11 VCG |
4369 | list_del(<k->list); |
4370 | kfree(ltk); | |
fe59a05f JH |
4371 | } else { |
4372 | clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); | |
c9839a11 VCG |
4373 | } |
4374 | ||
a7a595f6 | 4375 | hci_dev_unlock(hdev); |
bea710fe VCG |
4376 | |
4377 | return; | |
4378 | ||
4379 | not_found: | |
4380 | neg.handle = ev->handle; | |
4381 | hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg); | |
4382 | hci_dev_unlock(hdev); | |
a7a595f6 VCG |
4383 | } |
4384 | ||
8e75b46a AG |
4385 | static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle, |
4386 | u8 reason) | |
4387 | { | |
4388 | struct hci_cp_le_conn_param_req_neg_reply cp; | |
4389 | ||
4390 | cp.handle = cpu_to_le16(handle); | |
4391 | cp.reason = reason; | |
4392 | ||
4393 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp), | |
4394 | &cp); | |
4395 | } | |
4396 | ||
4397 | static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev, | |
4398 | struct sk_buff *skb) | |
4399 | { | |
4400 | struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data; | |
4401 | struct hci_cp_le_conn_param_req_reply cp; | |
4402 | struct hci_conn *hcon; | |
4403 | u16 handle, min, max, latency, timeout; | |
4404 | ||
4405 | handle = le16_to_cpu(ev->handle); | |
4406 | min = le16_to_cpu(ev->interval_min); | |
4407 | max = le16_to_cpu(ev->interval_max); | |
4408 | latency = le16_to_cpu(ev->latency); | |
4409 | timeout = le16_to_cpu(ev->timeout); | |
4410 | ||
4411 | hcon = hci_conn_hash_lookup_handle(hdev, handle); | |
4412 | if (!hcon || hcon->state != BT_CONNECTED) | |
4413 | return send_conn_param_neg_reply(hdev, handle, | |
4414 | HCI_ERROR_UNKNOWN_CONN_ID); | |
4415 | ||
4416 | if (hci_check_conn_params(min, max, latency, timeout)) | |
4417 | return send_conn_param_neg_reply(hdev, handle, | |
4418 | HCI_ERROR_INVALID_LL_PARAMS); | |
4419 | ||
4420 | cp.handle = ev->handle; | |
4421 | cp.interval_min = ev->interval_min; | |
4422 | cp.interval_max = ev->interval_max; | |
4423 | cp.latency = ev->latency; | |
4424 | cp.timeout = ev->timeout; | |
4425 | cp.min_ce_len = 0; | |
4426 | cp.max_ce_len = 0; | |
4427 | ||
4428 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp); | |
4429 | } | |
4430 | ||
6039aa73 | 4431 | static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb) |
fcd89c09 VT |
4432 | { |
4433 | struct hci_ev_le_meta *le_ev = (void *) skb->data; | |
4434 | ||
4435 | skb_pull(skb, sizeof(*le_ev)); | |
4436 | ||
4437 | switch (le_ev->subevent) { | |
4438 | case HCI_EV_LE_CONN_COMPLETE: | |
4439 | hci_le_conn_complete_evt(hdev, skb); | |
4440 | break; | |
4441 | ||
1855d92d MH |
4442 | case HCI_EV_LE_CONN_UPDATE_COMPLETE: |
4443 | hci_le_conn_update_complete_evt(hdev, skb); | |
4444 | break; | |
4445 | ||
9aa04c91 AG |
4446 | case HCI_EV_LE_ADVERTISING_REPORT: |
4447 | hci_le_adv_report_evt(hdev, skb); | |
4448 | break; | |
4449 | ||
a7a595f6 VCG |
4450 | case HCI_EV_LE_LTK_REQ: |
4451 | hci_le_ltk_request_evt(hdev, skb); | |
4452 | break; | |
4453 | ||
8e75b46a AG |
4454 | case HCI_EV_LE_REMOTE_CONN_PARAM_REQ: |
4455 | hci_le_remote_conn_param_req_evt(hdev, skb); | |
4456 | break; | |
4457 | ||
fcd89c09 VT |
4458 | default: |
4459 | break; | |
4460 | } | |
4461 | } | |
4462 | ||
9495b2ee AE |
4463 | static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb) |
4464 | { | |
4465 | struct hci_ev_channel_selected *ev = (void *) skb->data; | |
4466 | struct hci_conn *hcon; | |
4467 | ||
4468 | BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle); | |
4469 | ||
4470 | skb_pull(skb, sizeof(*ev)); | |
4471 | ||
4472 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4473 | if (!hcon) | |
4474 | return; | |
4475 | ||
4476 | amp_read_loc_assoc_final_data(hdev, hcon); | |
4477 | } | |
4478 | ||
a9de9248 MH |
4479 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
4480 | { | |
4481 | struct hci_event_hdr *hdr = (void *) skb->data; | |
4482 | __u8 event = hdr->evt; | |
4483 | ||
b6ddb638 JH |
4484 | hci_dev_lock(hdev); |
4485 | ||
4486 | /* Received events are (currently) only needed when a request is | |
4487 | * ongoing so avoid unnecessary memory allocation. | |
4488 | */ | |
4489 | if (hdev->req_status == HCI_REQ_PEND) { | |
4490 | kfree_skb(hdev->recv_evt); | |
4491 | hdev->recv_evt = skb_clone(skb, GFP_KERNEL); | |
4492 | } | |
4493 | ||
4494 | hci_dev_unlock(hdev); | |
4495 | ||
a9de9248 MH |
4496 | skb_pull(skb, HCI_EVENT_HDR_SIZE); |
4497 | ||
02350a72 | 4498 | if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) { |
c1f23a2b JB |
4499 | struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data; |
4500 | u16 opcode = __le16_to_cpu(cmd_hdr->opcode); | |
02350a72 JH |
4501 | |
4502 | hci_req_cmd_complete(hdev, opcode, 0); | |
4503 | } | |
4504 | ||
a9de9248 | 4505 | switch (event) { |
1da177e4 LT |
4506 | case HCI_EV_INQUIRY_COMPLETE: |
4507 | hci_inquiry_complete_evt(hdev, skb); | |
4508 | break; | |
4509 | ||
4510 | case HCI_EV_INQUIRY_RESULT: | |
4511 | hci_inquiry_result_evt(hdev, skb); | |
4512 | break; | |
4513 | ||
a9de9248 MH |
4514 | case HCI_EV_CONN_COMPLETE: |
4515 | hci_conn_complete_evt(hdev, skb); | |
21d9e30e MH |
4516 | break; |
4517 | ||
1da177e4 LT |
4518 | case HCI_EV_CONN_REQUEST: |
4519 | hci_conn_request_evt(hdev, skb); | |
4520 | break; | |
4521 | ||
1da177e4 LT |
4522 | case HCI_EV_DISCONN_COMPLETE: |
4523 | hci_disconn_complete_evt(hdev, skb); | |
4524 | break; | |
4525 | ||
1da177e4 LT |
4526 | case HCI_EV_AUTH_COMPLETE: |
4527 | hci_auth_complete_evt(hdev, skb); | |
4528 | break; | |
4529 | ||
a9de9248 MH |
4530 | case HCI_EV_REMOTE_NAME: |
4531 | hci_remote_name_evt(hdev, skb); | |
4532 | break; | |
4533 | ||
1da177e4 LT |
4534 | case HCI_EV_ENCRYPT_CHANGE: |
4535 | hci_encrypt_change_evt(hdev, skb); | |
4536 | break; | |
4537 | ||
a9de9248 MH |
4538 | case HCI_EV_CHANGE_LINK_KEY_COMPLETE: |
4539 | hci_change_link_key_complete_evt(hdev, skb); | |
4540 | break; | |
4541 | ||
4542 | case HCI_EV_REMOTE_FEATURES: | |
4543 | hci_remote_features_evt(hdev, skb); | |
4544 | break; | |
4545 | ||
a9de9248 MH |
4546 | case HCI_EV_CMD_COMPLETE: |
4547 | hci_cmd_complete_evt(hdev, skb); | |
4548 | break; | |
4549 | ||
4550 | case HCI_EV_CMD_STATUS: | |
4551 | hci_cmd_status_evt(hdev, skb); | |
4552 | break; | |
4553 | ||
4554 | case HCI_EV_ROLE_CHANGE: | |
4555 | hci_role_change_evt(hdev, skb); | |
4556 | break; | |
4557 | ||
4558 | case HCI_EV_NUM_COMP_PKTS: | |
4559 | hci_num_comp_pkts_evt(hdev, skb); | |
4560 | break; | |
4561 | ||
4562 | case HCI_EV_MODE_CHANGE: | |
4563 | hci_mode_change_evt(hdev, skb); | |
1da177e4 LT |
4564 | break; |
4565 | ||
4566 | case HCI_EV_PIN_CODE_REQ: | |
4567 | hci_pin_code_request_evt(hdev, skb); | |
4568 | break; | |
4569 | ||
4570 | case HCI_EV_LINK_KEY_REQ: | |
4571 | hci_link_key_request_evt(hdev, skb); | |
4572 | break; | |
4573 | ||
4574 | case HCI_EV_LINK_KEY_NOTIFY: | |
4575 | hci_link_key_notify_evt(hdev, skb); | |
4576 | break; | |
4577 | ||
4578 | case HCI_EV_CLOCK_OFFSET: | |
4579 | hci_clock_offset_evt(hdev, skb); | |
4580 | break; | |
4581 | ||
a8746417 MH |
4582 | case HCI_EV_PKT_TYPE_CHANGE: |
4583 | hci_pkt_type_change_evt(hdev, skb); | |
4584 | break; | |
4585 | ||
85a1e930 MH |
4586 | case HCI_EV_PSCAN_REP_MODE: |
4587 | hci_pscan_rep_mode_evt(hdev, skb); | |
4588 | break; | |
4589 | ||
a9de9248 MH |
4590 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: |
4591 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
04837f64 MH |
4592 | break; |
4593 | ||
a9de9248 MH |
4594 | case HCI_EV_REMOTE_EXT_FEATURES: |
4595 | hci_remote_ext_features_evt(hdev, skb); | |
1da177e4 LT |
4596 | break; |
4597 | ||
a9de9248 MH |
4598 | case HCI_EV_SYNC_CONN_COMPLETE: |
4599 | hci_sync_conn_complete_evt(hdev, skb); | |
4600 | break; | |
1da177e4 | 4601 | |
a9de9248 MH |
4602 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
4603 | hci_extended_inquiry_result_evt(hdev, skb); | |
4604 | break; | |
1da177e4 | 4605 | |
1c2e0041 JH |
4606 | case HCI_EV_KEY_REFRESH_COMPLETE: |
4607 | hci_key_refresh_complete_evt(hdev, skb); | |
4608 | break; | |
4609 | ||
0493684e MH |
4610 | case HCI_EV_IO_CAPA_REQUEST: |
4611 | hci_io_capa_request_evt(hdev, skb); | |
4612 | break; | |
4613 | ||
03b555e1 JH |
4614 | case HCI_EV_IO_CAPA_REPLY: |
4615 | hci_io_capa_reply_evt(hdev, skb); | |
4616 | break; | |
4617 | ||
a5c29683 JH |
4618 | case HCI_EV_USER_CONFIRM_REQUEST: |
4619 | hci_user_confirm_request_evt(hdev, skb); | |
4620 | break; | |
4621 | ||
1143d458 BG |
4622 | case HCI_EV_USER_PASSKEY_REQUEST: |
4623 | hci_user_passkey_request_evt(hdev, skb); | |
4624 | break; | |
4625 | ||
92a25256 JH |
4626 | case HCI_EV_USER_PASSKEY_NOTIFY: |
4627 | hci_user_passkey_notify_evt(hdev, skb); | |
4628 | break; | |
4629 | ||
4630 | case HCI_EV_KEYPRESS_NOTIFY: | |
4631 | hci_keypress_notify_evt(hdev, skb); | |
4632 | break; | |
4633 | ||
0493684e MH |
4634 | case HCI_EV_SIMPLE_PAIR_COMPLETE: |
4635 | hci_simple_pair_complete_evt(hdev, skb); | |
4636 | break; | |
4637 | ||
41a96212 MH |
4638 | case HCI_EV_REMOTE_HOST_FEATURES: |
4639 | hci_remote_host_features_evt(hdev, skb); | |
4640 | break; | |
4641 | ||
fcd89c09 VT |
4642 | case HCI_EV_LE_META: |
4643 | hci_le_meta_evt(hdev, skb); | |
4644 | break; | |
4645 | ||
9495b2ee AE |
4646 | case HCI_EV_CHANNEL_SELECTED: |
4647 | hci_chan_selected_evt(hdev, skb); | |
4648 | break; | |
4649 | ||
2763eda6 SJ |
4650 | case HCI_EV_REMOTE_OOB_DATA_REQUEST: |
4651 | hci_remote_oob_data_request_evt(hdev, skb); | |
4652 | break; | |
4653 | ||
d5e91192 AE |
4654 | case HCI_EV_PHY_LINK_COMPLETE: |
4655 | hci_phy_link_complete_evt(hdev, skb); | |
4656 | break; | |
4657 | ||
27695fb4 AE |
4658 | case HCI_EV_LOGICAL_LINK_COMPLETE: |
4659 | hci_loglink_complete_evt(hdev, skb); | |
4660 | break; | |
4661 | ||
606e2a10 AE |
4662 | case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE: |
4663 | hci_disconn_loglink_complete_evt(hdev, skb); | |
4664 | break; | |
4665 | ||
9eef6b3a AE |
4666 | case HCI_EV_DISCONN_PHY_LINK_COMPLETE: |
4667 | hci_disconn_phylink_complete_evt(hdev, skb); | |
4668 | break; | |
4669 | ||
25e89e99 AE |
4670 | case HCI_EV_NUM_COMP_BLOCKS: |
4671 | hci_num_comp_blocks_evt(hdev, skb); | |
4672 | break; | |
4673 | ||
a9de9248 | 4674 | default: |
9f1db00c | 4675 | BT_DBG("%s event 0x%2.2x", hdev->name, event); |
1da177e4 LT |
4676 | break; |
4677 | } | |
4678 | ||
4679 | kfree_skb(skb); | |
4680 | hdev->stat.evt_rx++; | |
4681 | } |